🚀 Welcome to Tarang Setu! 📡 Learn Wireless Communication the fun way! 🦊 Inspired by Panchatantra Tales! ⚡ Build your own ESP32 Walkie Talkie! 🎮 3 Levels of Interactive STEM Learning!
Official Toycathon 2026 Project

Build. Play.
Communicate.

Tarang Setu is a 3-level DIY STEM kit that takes young minds on a journey from basic communication concepts to building a real ESP32 Walkie Talkie, guided by Panchatantra comics!

Ages 8-14
No Soldering
Real Radio Tech
TX RX
🦊
Story-Driven
Comic Manuals
ESP32 Power
Real Hardware
ESP32 Core
nRF Antenna Module
Signal Strength Meter
Piezo Buzzer
Panchatantra Comic
433MHz RF Receiver

Why Choose Tarang Setu?

Designed by students, for students. We solve the biggest problems with traditional electronics kits.

100% Soldering-Free

No hot irons or toxic fumes. Our custom breadboard blocks make building safe for kids 8 and up.

Endlessly Reusable

Unlike one-time build kits, Tarang Setu parts can be taken apart and reused for your own custom inventions.

Story-First Learning

We teach abstract physics concepts through engaging Panchatantra comics before ever touching a wire.

Real-World Tech

Kids program real ESP32 microcontrollers and nRF modules, learning skills used by actual IoT engineers.

Journey Through 3 Levels

From reading a fun story to building advanced hardware. Watch your child's engineering skills grow step by step.

Level 1

Basics & Storytime

Dive into our Panchatantra-inspired comic book! The wise animals of the forest will explain the fundamentals of communication, sound waves, and signals.

  • Printed Comic Book
  • Interactive Web Modules
  • Conceptual Foundation
Level 2

433MHz RF Control

Time to touch the hardware! Use the building blocks to assemble a 433MHz transmitter and receiver. Control LEDs and buzzers wirelessly!

  • RF Transmitter & Receiver
  • Basic Circuit Building
  • LED & Buzzer Feedback
Level 3

ESP32 Walkie Talkie

The ultimate challenge! Combine an ESP32, nRF antenna module, MAX microphone, and PAM amplifier to build a fully functional, real-time voice Walkie Talkie.

  • Microcontroller Programming
  • Audio Signal Processing
  • Long Range Comm.

Read the Panchatantra Comic

Follow the Clever Crow as he discovers the magic of invisible waves. Read the preview online or download the full manual!

Interactive Preview

The Clever Crow &
The Invisible Waves

🐦‍⬛ 〰️ 🦊

A Tarang Setu Original Story

Page 1
🐦‍⬛ 🗣️

"Oh no! The tiger is coming! I must warn my friends across the forest, but my voice cannot reach that far!"

Page 2

"Do not worry, little crow," said the Wise Owl. "We can build an ANTENNA to send invisible waves through the air to find our friends!"

🦉 📡
Page 3
🛠️ 📻 ✨

And so, they built the Tarang Setu Walkie Talkie!

Want to see how they built it? Download the full PDF manual to read the rest of the story and start your Level 1 adventure!

Page 4

Get the Full Manual

The complete story and Level 1-3 instruction manual is available as a high-quality PDF. Download it and keep it handy while building!

Download PDF

Interactive Learning Hub

Track your progress and follow the digital tutorials to complement your physical comic and kit.

Your Journey 0%

Level 1 Mini-Games: Discovering Waves!

Play these mini-games to understand how wireless signals travel through the air.

1. The Crow's Call

Click the crow to send a sound wave!

🦊

2. Catch the Signal

Move the antenna to catch the data packets!

Score: 0
📡

3. Tune the Frequency

Slide to change how fast the waves pulse.

📻
Low Freq High Freq

Watch the Tutorial

See Tarang Setu in action! Watch this quick video to see how easy it is to build and play.

What's in the Box?

Everything you need to build 3 levels of wireless communication.

2x ESP32

Microcontrollers

RF & nRF

Communication Modules

Breadboards

& Premium Jumpers

Comic Manual

Panchatantra Guide

LEDs & Buzzers

For Signal Output

Battery Packs

Portable Power

Online Portal

Digital Access Code

Safe Tools

Tweezers & Pluckers

TARANG SETU MASTER KIT ESP32 POWERED
Ages 8+

Tarang Setu Master Kit

The complete 3-level STEM experience.

₹1,499 ₹2,499
  • Panchatantra Concept Comic Book
  • 433MHz Transmitter & Receiver Blocks
  • 2x ESP32 Microcontrollers
  • nRF Modules & Signal Buzzers
  • Access to Online Premium Tutorials

Frequently Asked Questions

Does my child need prior coding experience?
Not at all! Level 1 and 2 focus entirely on hardware logic and concepts without coding. For Level 3, we provide fully pre-written, easy-to-upload code templates, along with a visual block-based coding interface for beginners.
Is this kit completely safe? (No Soldering?)
Yes. Safety is our #1 priority. We use custom snap-together breadboards and jumper wires. There is absolutely zero soldering required, meaning no hot irons or toxic fumes. It is 100% safe for independent play by kids aged 8 and up.
How far does the Walkie-Talkie reach?
The nRF communication modules provided in the kit can transmit audio up to 100 meters in open areas without obstacles. Indoors, the range may vary due to walls and interference, making it a great real-world lesson in signal strength!
What devices do I need for the online tutorials?
Our Interactive Learning Hub and mini-games work on any modern web browser (Chrome, Safari, Edge) on a PC, Mac, Tablet, or Smartphone. You only need a computer with a USB port when uploading code to the ESP32 in Level 3.