New batches start every month. Try a live class for just ₹49 / $1.

Celestara Tech logo

Celestara Tech

Courses for every young creator

Live online coding, robotics and AI courses for every stage. Every course ends with a final project and a certificate.

</>{}

Choose your course

Hands-on, project-based programs for every age.

Select your child's stage
See the full robotics program →

How it works

Four simple steps from first click to first class.

Share your child's grade and interests, and we'll suggest the course that fits best.

Get started in 4 easy steps[Walkthrough video]

Robotics

Robotics program

Build robots that sense, think and

move

Six live courses in three stages, from first micro:bit games to a working product prototype. Every course ends with a final project and a certificate.

Real kits, real code | Two hands-on kits in every course Live small groups | 2 online classes a week Free web simulator | Every project also works online Project + certificate | At the end of every course

First steps with a real robot brain | BBC micro:bit

Real electronics and robots in Python | Raspberry Pi Pico

Pro-level systems and a real product | Raspberry Pi Pico

From first blink to finished

product

Six robotics courses in three stages. Start where your child is ready and grow level by level.

64 live classes | 8 modules × 8 classes 2 classes a week | Live online, small groups 2 kits per course | Modules 1–4 and 5–8 Free web simulator | Every project works online too Project + certificate | At the end of every course

Hands-on from day one | Every module builds something real with a kit, so ideas stick. Step-by-step stages | Junior, Middle and Senior stages grow from blocks to professional Python. Real-world problems | Plant helpers, home guardians and delivery rovers solve problems kids can see. Confidence to present | Final projects end with a demo, and the last course ends with a real pitch. Kit or simulator | Build with the kit, or try every project in a free web simulator. A certificate for every course | Six certificates on the way to the Product Innovator graduation.

6 | Courses 3 | Stages 64 | Live classes per course 12 | Kits across the pathway

Which stage should my child start at? | Most beginners start with StarBit Explorers in the Junior stage. Book a demo and the teacher will suggest the right starting course. How often are classes? | Two live online classes a week, in small groups. Each course has 64 classes in 8 modules. Do we need to buy kits? | Each course uses two kits: one for Modules 1–4 and one for Modules 5–8. Ask us and we will tell you exactly which kit your child needs. Every project can also be built in a free web simulator. What does my child get at the end? | A finished final project and a certificate for every course. Which robot brains do you use? | BBC micro:bit in the Junior stage and Raspberry Pi Pico in the Middle and Senior stages. What happens after a course? | Your child moves to the next level or stage. The pathway ends with the Product Innovator graduation.

Coding

Coding program

Turn screen time into creating

time

Live coding courses that grow from first blocks to real apps and games. Six courses in three stages, and every course ends with a final project and a certificate.

Learn by building | A real build in every module Live small groups | 2 online classes a week Step-by-step stages | Blocks, then Python, then the web Project + certificate | At the end of every course

First steps with block coding | Scratch

Real typed code with Python | Python

Websites and apps for real users | HTML, CSS & JavaScript

From first blocks to real

apps

Six coding courses in three stages. Start where your child is ready and grow level by level.

64 live classes | 8 modules × 8 classes 2 classes a week | Live online, small groups Just a laptop | No kit needed 3 languages | Scratch, Python and JavaScript Project + certificate | At the end of every course

Projects, not lectures | Every module ends with something your child has built and can show. Step-by-step stages | Junior, Middle and Senior stages grow from blocks to real apps. Real languages | Python and JavaScript are the languages working developers use. Confidence to present | Every course ends with a demo of the final project. Problem-solving habits | Children learn to break a problem down, test it and fix it. A certificate for every course | Six certificates across the coding pathway.

6 | Courses 3 | Stages 64 | Live classes per course 6 | Final projects

Which stage should my child start at? | Most beginners start with Scratch Story Makers in the Junior stage. Book a demo and the teacher will suggest the right starting course. How often are classes? | Two live online classes a week, in small groups. Each course has 64 classes in 8 modules. What does my child need? | A laptop or desktop with a stable internet connection. No kit is needed for coding. What does my child get at the end? | A finished final project and a certificate for every course. Does my child need to type well? | No. The Junior stage uses drag-and-drop blocks. Typing is built up slowly in the Middle stage. What happens after a course? | Your child moves to the next level or stage, from Scratch to Python and then to websites and apps.

AI

AI program

Teach machines to learn, the

smart

way

Kids train their own models and build AI apps, step by step. Six courses in three stages, and every course ends with a final project and a certificate.

Train real models | Children teach computers with their own examples Live small groups | 2 online classes a week Step-by-step stages | No-code, then Python, then generative AI Project + certificate | At the end of every course

First models, no typing needed | Teachable Machine

Python, data and machine learning | Python

Build apps with generative AI | Python + generative AI

From first model to AI

apps

Six AI courses in three stages. Start where your child is ready and grow level by level.

64 live classes | 8 modules × 8 classes 2 classes a week | Live online, small groups Just a laptop | A webcam helps in the Junior stage Safe and fair AI | Responsible use in every course Project + certificate | At the end of every course

Understand, not just use | Children learn how AI works by training it themselves. Step-by-step stages | Junior, Middle and Senior stages grow from no-code models to AI apps. Safe and fair AI | Every course covers bias, honesty and responsible use. Real tools | Teachable Machine, Python and generative AI tools used in the real world. Confidence to present | Final projects end with a demo, and the last course ends with a demo day. A certificate for every course | Six certificates on the way to the AI Innovator graduation.

6 | Courses 3 | Stages 64 | Live classes per course 6 | Final projects

Which stage should my child start at? | Most beginners start with AI Explorers in the Junior stage. Book a demo and the teacher will suggest the right starting course. How often are classes? | Two live online classes a week, in small groups. Each course has 64 classes in 8 modules. What does my child need? | A laptop or desktop with a stable internet connection. A webcam and microphone help in the Junior stage. What does my child get at the end? | A finished final project and a certificate for every course. Is AI safe for children to learn? | Yes. Children work in guided, age-appropriate tools, and every course teaches fair and responsible use. What happens after a course? | Your child moves to the next level or stage. The pathway ends with the AI Innovator graduation.

Mathematics

Mathematics program

Make maths make

sense

Live maths classes that build fast, confident thinkers. Eight courses, one for each grade from Grade 2 to Grade 9, each with 64 live classes in four levels.

One course per grade | Grades 2 to 9 Live classes | 3 classes a week, 45 minutes each Four levels a course | 16 classes in every level Project + certificate | At the end of every level

Number sense, fast facts and problem solving | Grades 2–4

Real-world maths and the bridge to algebra | Grades 5–7

Equations, functions and Algebra 1 | Grades 8–9

One journey from Grade 2 to Grade

9

Eight maths courses in three stages. Start at your child's grade and grow level by level.

64 live classes | 4 levels × 16 classes 3 classes a week | 45 minutes each About 6 months | For each course Something to show | Every class ends with something to show a parent Project + certificate | At the end of every level

Understanding first | Ideas are built with stories, objects and patterns, not rote. One clear journey | Eight courses from Grade 2 to Grade 9, level by level. Real-life maths | Budgets, recipes, maps and games make maths useful. Something to show | Every class ends with something your child can show you. Confident thinkers | Children explain their thinking and solve multi-step problems. A certificate for every level | Four projects and four certificates in every course.

8 | Courses 3 | Stages 64 | Live classes per course 32 | Projects across the journey

Which course should my child start with? | Start with the course for your child's grade. Book a demo and the teacher will check the right starting level. How often are classes? | Three live classes a week, 45 minutes each. A course has 64 classes and takes about 6 months. What does my child need? | A laptop or tablet with a stable internet connection, plus paper and a pencil. What does my child get at the end? | A project and a certificate at the end of each of the four levels. How is this different from tuition? | Children learn why maths works through projects and games, and every class ends with something to show a parent. What happens after a course? | Your child moves to the next grade's course, all the way to Supernova Mathematicians in Grade 9.

StarBit Explorers

Robotics

Junior

Level 1

Code it. Light it. Play it.

BBC micro:bit

Block coding (MakeCode)

45 min

64 classes

2 a week

Kids discover how computers think through games, lights, sounds and the micro:bit's built-in sensors, using drag-and-drop blocks.

Hello, micro:bit · Sound & Chance · Grid & Variables · Sense the World · Motion & Direction · Game Designer · Pins, Radio & Motion · Garden Guardian Capstone

Stardust Starter Kit

Moonbeam Explorer Kit

Garden Guardian, a smart plant helper

StarBit Explorer

yes

StarBit Python Pilots

Robotics

Junior

Level 2

Your first real code, on a real robot brain.

BBC micro:bit

MicroPython

45 min

64 classes

2 a week

Students move from blocks to typed Python on the micro:bit: logic, loops, functions, sensors, data and radio.

Python Launchpad · Decisions · Chance & Loops · Images & Sound · Functions & Sensors · Data Science · Radio & Multiplayer · Capstone

Comet Coder Kit

Twin Orbit Radio Kit

Smart Classroom Monitor

Python Pilot

no

Embedded Electronics Foundations

Robotics

Middle

Level 1

Wire it. Code it. Make it smart.

Raspberry Pi Pico

MicroPython

60 min

64 classes

2 a week

Real electronics and problem-solving: breadboards, logic, displays, sensors and motors, coded in MicroPython.

Engineer's Mindset · Logic & Inputs · Displays & Sound · Analog & PWM · Sensors · Actuators & State Machines · Systems & Clean Code · Capstone

Spark Constellation Kit

Aurora Sensor Kit

Smart Home Guardian

Electronics Foundations

no

Robotics Engineering Program

Robotics

Middle

Level 2

Sense. Think. Move.

Raspberry Pi Pico

Python (CircuitPython)

60 min

64 classes

2 a week

Build and program robots in Python: motors, distance and motion sensing, line tracking and self-driving missions.

Python for Robots · Inputs & Safety · Motion Fundamentals · Ultrasonic Sensing · Motion Sensing & Control · Smarter Code · Navigation · Capstone

Rocket Rover Kit

Galaxy Navigator Kit

Smart Delivery Rover

Robotics Engineer

no

Embedded Systems & Automation Engineering

Robotics

Senior

Level 1

Build the systems that run smart cities.

Raspberry Pi Pico

Python (CircuitPython)

80 min

64 classes

2 a week

Professional-level Python for smart devices: clean code, classes, screens and clocks, keypad security, data logging and automation.

Professional Python · Bits & Timing · Object-Oriented Python · Communication Protocols · Security Systems · Data & Decisions · Automation · Capstone

Nebula Core Kit

Pulsar Automation Kit

Student-designed smart system (home hub, environment monitor or secure locker)

Embedded Systems Engineer

no

Innovation & Product Engineering Capstone

Robotics

Senior

Level 2

From idea to working product.

Raspberry Pi Pico

Python (CircuitPython)

80 min

64 classes

2 a week

Advanced robotics, then a full product sprint: find a real problem, design, prototype, test, document and pitch a working product.

Advanced Control · Interfaces & UX · Robotics Systems · Design Thinking Sprint · Prototyping · Testing & Quality · Launch Readiness · Demo & Future

Orbit Engineer Kit

Supernova Prototype Kit

Own product prototype + investor-style pitch

Product Innovator (Graduation)

no

Scratch Story Makers

Coding

Junior

Level 1

Tell stories. Make them move.

Scratch

Block coding

45 min

64 classes

2 a week

Kids bring characters to life with drag-and-drop blocks, learning sequences, loops and events through stories and animations.

Meet Scratch · Motion & Looks · Events & Sounds · Loops · Story Scenes · Costumes & Animation · Interactive Stories · Storybook Capstone

My Interactive Storybook

Scratch Story Maker

yes

Scratch Game Builders

Coding

Junior

Level 2

Design it. Code it. Play it.

Scratch

Block coding

45 min

64 classes

2 a week

Students design and code their own games in Scratch using variables, conditions, clones and levels.

Game Design Basics · Variables & Score · Conditions · Clones & Enemies · Levels & Timers · Sound & Effects · Playtesting · Arcade Capstone

My Arcade Game

Scratch Game Builder

no

Python Starters

Coding

Middle

Level 1

From blocks to real code.

Python

Python

60 min

64 classes

2 a week

A friendly move from blocks to typed Python: variables, decisions, loops, lists and functions through small programs and quizzes.

Hello, Python · Variables & Input · Decisions · Loops · Lists · Functions · Text Adventures · Quiz App Capstone

Quiz Master App

Python Starter

no

Python Game Developers

Coding

Middle

Level 2

Build games people want to play.

Python

Python (Pygame)

60 min

64 classes

2 a week

Students build real 2D games in Python with sprites, collisions, scoring, levels and sound.

Pygame Setup · Sprites & Movement · Collisions · Scoring & Lives · Levels · Sound & Polish · Debugging & Testing · Game Capstone

Space Dodger Game

Python Game Developer

no

Web Creators

Coding

Senior

Level 1

Build sites the world can see.

Web

HTML, CSS & JavaScript

60 min

64 classes

2 a week

Students design and code real websites: structure with HTML, style with CSS and behaviour with JavaScript.

HTML Foundations · CSS Styling · Layouts · JavaScript Basics · The DOM · Forms & Events · Responsive Design · Portfolio Capstone

Personal Portfolio Website

Web Creator

no

App Developers

Coding

Senior

Level 2

From idea to working app.

Web

JavaScript & APIs

60 min

64 classes

2 a week

A full app project: plan a real idea, work with data and APIs, test with users and launch it online.

App Planning · JavaScript Deep Dive · Working with Data · APIs · Saving & Accounts · Testing & Debugging · Launch Checklist · App Capstone

My Web App, launched online

App Developer (Graduation)

no

AI Explorers

AI

Junior

Level 1

Teach a computer to see and hear.

Teachable Machine

No-code + blocks

45 min

64 classes

2 a week

Kids train their first image, sound and pose models with their own examples, and learn what makes AI fair or unfair.

What Is AI? · Teaching with Examples · Image Models · Sound Models · Pose Models · Fair & Unfair Data · AI in Scratch · Smart Helper Capstone

Smart Sorting Helper

AI Explorer

yes

AI Game Makers

AI

Junior

Level 2

Build games that learn.

Scratch + machine learning

Block coding

45 min

64 classes

2 a week

Students add their own trained models to Scratch games: gesture controls, voice commands and simple chatbots.

Smart Sprites · Gesture Controls · Voice Commands · Chatbot Basics · Training Better Models · Testing & Bias · Game Design · AI Game Capstone

Gesture-Controlled Game

AI Game Maker

no

Python for AI

AI

Middle

Level 1

The language behind AI.

Python

Python

60 min

64 classes

2 a week

Python for data and predictions: lists, charts, patterns, decision trees and simple text analysis.

Python Refresher · Data & Lists · Charts & Patterns · Predictions · Decision Trees · Text & Sentiment · Model Testing · Prediction Capstone

Mood Predictor

Python for AI

no

Machine Learning Makers

AI

Middle

Level 2

Train models. Solve real problems.

Python

Python (scikit-learn)

60 min

64 classes

2 a week

Students follow the full machine-learning workflow: collect data, train, test and improve models for real problems.

ML Workflow · Classification · Regression · Image Recognition · Recommendation Systems · Ethics & Bias · Model Tuning · ML Capstone

Recycling Sorter Model

Machine Learning Maker

no

Generative AI Builders

AI

Senior

Level 1

Create with AI, responsibly.

Python + generative AI

Python

60 min

64 classes

2 a week

How generative AI works and how to build with it: prompts, text and image generation, chatbots with memory and safe use.

How GenAI Works · Prompt Design · Text Generation · Image Generation · Chatbots with Memory · Safety & Honesty · App Interfaces · GenAI Capstone

Study Buddy Chatbot

Generative AI Builder

no

AI App Innovators

AI

Senior

Level 2

From idea to AI product.

Python + generative AI

Python

60 min

64 classes

2 a week

A full product sprint with AI: find a real problem, build an AI app, test it with users and present it on demo day.

Problem Discovery · AI Agents & Tools · Working with Documents · Voice & Vision Apps · Testing with Users · Responsible AI · Launch Readiness · Demo Day Capstone

Own AI app + demo-day pitch

AI Innovator (Graduation)

no

Stardust Number Explorers

Mathematics

Junior

Level 1

Count the stars, build the numbers.

Number Sense

Grade 2

45 min

64 classes

3 a week

Kids learn how numbers really work through stories, hands-on objects and quick games.

Number Constellations · Addition & Subtraction Galaxy · Measure the Moon · Shape Station

My Number Museum · Galaxy Scoreboard · My Moon Base Report · Star City Map

A certificate at every level

place value to 1000, addition and subtraction, measuring, time, money, graphs, shapes, halves and quarters

number sense, mental addition and subtraction, measuring, explaining their thinking

#FFC83D

Grade 2

yes

Comet Fact Masters

Mathematics

Junior

Level 2

Fast facts, bright minds.

Times Tables & Fractions

Grade 3

45 min

64 classes

3 a week

Times tables learned through patterns, not rote, plus fractions on a number line.

Multiplication Launch · Numbers & Fractions · Measure & Data Lab · Shapes & Problem Solving

Comet Times-Table Game · Fraction Garden Planner · Dream Treehouse Floor Plan · Comet Market Day

A certificate at every level

multiplication and division, times tables to 10 × 10, fractions, area and perimeter, time, mass, graphs

multiplication fluency, fraction sense, area thinking, two-step problem solving

#FF9F43

Grade 3

no

Moonbeam Problem Solvers

Mathematics

Junior

Level 3

Think in steps. Solve anything.

Multi-Step Problem Solving

Grade 4

45 min

64 classes

3 a week

Confident multi-step thinking with real-life problems like trips, cooking and badge design.

Big Numbers & Multiplication · Fractions & Decimals · Measurement & Angles · Multi-Step Problem Solving

Moon Base Supply Planner · Moonbeam Café Menu · Mission Patch Designer · Class Trip Planner

A certificate at every level

numbers to a million, long multiplication and division, factors and primes, fractions, decimals, angles, symmetry

multi-digit calculation, fractions and decimals, angle measuring, bar-model problem solving

#A78BFA

Grade 4

no

Planet Builders

Mathematics

Middle

Level 1

Build real-world maths, one planet at a time.

Real-World Maths

Grade 5

45 min

64 classes

3 a week

Where maths meets real life: decimals, fractions, volume, percentages and budgets.

Place Value & Decimals · Fraction Operations · Volume & the Coordinate Plane · Real-World Applications

Planet Data Cards · Space Party Recipe Scaler · Space Station Volume Lab · Pop-Up Stall Plan

A certificate at every level

decimals, all four fraction operations, volume, the coordinate plane, percentages, averages, pie charts

decimal and fraction fluency, volume thinking, percentages, budgeting

#34D399

Grade 5

no

Orbit Thinkers

Mathematics

Middle

Level 2

From numbers to algebra, one orbit at a time.

Pre-Algebra

Grade 6

45 min

64 classes

3 a week

The bridge from arithmetic to algebra.

Number Sense & Factors · Ratios & Percentages · Expressions & Equations · Geometry & Statistics

Cosmic Code Breaker · Rocket Fuel Mix Report · Alien Message Decoder · Space Station Survey Report

A certificate at every level

factors, HCF and LCM, fraction division, negative numbers, ratios and percentages, equations, surface area, statistics

ratio reasoning, early algebra, data analysis, logical thinking

#4FC3F7

Grade 6

no

Nebula Navigators

Mathematics

Middle

Level 3

Navigate numbers, proportions and chance.

Proportions & Probability

Grade 7

45 min

64 classes

3 a week

The core of middle-school maths: proportions, equations and chance.

Rational Numbers · Proportions & Percent · Expressions, Equations & Angles · Geometry & Probability

Deep-Space Temperature Log · Mission Map to Scale · Equation Escape Room · Fair Carnival Game

A certificate at every level

integers and rational numbers, proportions, percent change and interest, two-step equations, angles, circles, probability

proportional reasoning, equation solving, geometry, probability

#F472B6

Grade 7

no

Galaxy Engineers

Mathematics

Senior

Level 1

Engineer ideas with equations and functions.

Equations & Functions

Grade 8

45 min

64 classes

3 a week

Getting ready for high-school maths with equations, functions and Pythagoras.

Numbers & Exponents · Linear Equations & Systems · Functions & Data · Geometry & Pythagoras

Solar System Scale Model · Phone Plan Showdown · Galaxy Data Lab · Space Habitat Design

A certificate at every level

exponents and scientific notation, linear equations, simultaneous equations, functions, scatter plots, transformations, Pythagoras, volume

algebraic reasoning, graphing, data modelling, geometric proof

#FB7185

Grade 8

no

Supernova Mathematicians

Mathematics

Senior

Level 2

Algebra, functions and the maths of the universe.

Algebra 1

Grade 9

45 min

64 classes

3 a week

Algebra 1 with key geometry and statistics, through real projects.

Polynomials & Factoring · Equations, Inequalities & Systems · Functions & Sequences · Quadratics, Geometry & Statistics

Polynomial Puzzle Vault · Event Budget Optimiser · Population Growth Model · Launch Trajectory Lab

A certificate at every level

polynomials and factoring, systems of equations and inequalities, functions, sequences, exponential growth, quadratics, statistics

advanced algebra, function modelling, graph interpretation, problem solving

#C084FC

Grade 9

no

Big skills for tomorrow start with one class

Coding

Robotics

AI

Book a live coding demo

First class just ₹49 / $1. You’ll pick a time slot next.

Coding

Robotics

AI

Book a live coding demo

First class just ₹49 / $1. You’ll pick a time slot next.

What age is right to start?

Kids classes start from Grade 1 (about age 6). Teens classes are for Grades 5–12.

Getting started

Are classes live?

Yes. All classes are live, 1-on-1 and online, with a real teacher.

Classes

How much does it cost?

Demo: ₹99 / $1. Kids: ₹299 / $5 per session. Teens: ₹399 / $6 per session.

Pricing & payment

What courses do you offer for Kids?

Scratch Jr, Block Coding Basics and Intro to Robotics (Grades 1–4).

Courses

How do I book a demo?

Tap “Book $1 Demo”, pick a time, and we’ll confirm on WhatsApp.

Booking

What’s the difference between Kids and Teens?

Kids (Grades 1–4) learn through playful block coding and robots. Teens (Grades 5–12) write real code and build real projects.

Getting started

How long is each class?

Demo: 30 minutes. Kids: 45 minutes. Teens: 60 minutes.

Classes

Why does the demo cost ₹99 / $1?

The small fee keeps demo slots for families who are serious, so every child gets a real class.

Pricing & payment

What courses do you offer for Teens?

Scratch, Python Basics, Arduino Robotics and Web Basics (HTML/CSS) (Grades 5–12).

Courses

What happens after I book?

We message you on WhatsApp to confirm, then your child joins the live class online.

Booking

My child has never coded. Is that okay?

Yes! Every course starts from zero, and our teacher goes at your child’s pace.

Getting started

What does my child need?

A laptop or computer with internet, and a quiet spot. Arduino Robotics also needs a kit, and we’ll tell you which one.

Classes

Do I have to buy a package?

No. You pay per session. No packages, no lock-in.

Pricing & payment

Can I talk to someone first?

Of course! Tap “Talk to an expert on WhatsApp” below.

Booking

Which course should my child take?

Book a ₹99 / $1 demo and we’ll suggest the right course for your child.

Getting started

Can I choose the class timing?

Yes. You pick a slot that suits you, and times are shown in your local time zone.

Classes

How do I pay?

UPI or cards via Razorpay.

Pricing & payment

Will my child build something?

Yes. Your child builds a real project in every class.

Classes

Can parents watch the class?

Yes, you’re welcome to sit in, especially for younger kids.

Classes