CircuitMess STEM Adventure – Chatter (DIY Walkie-Talkies)
DIY kit to build two fully functional digital walkie-talkies that send secure voice and text messages
Introduces kids to wireless communication, coding, and circuit design through hands-on assembly
Features encrypted digital communication with LCD screens, microphones, speakers, and antennas
Communicates wirelessly using the 915 MHz frequency band for reliable indoor and outdoor range
Programmable via USB, supporting custom features like message history, contact names, and icons
Rechargeable lithium batteries included; powered and recharged via USB-C cable 🔋
Build time: approx. 3 hours per unit, guided by clear step-by-step instructions
Encourages skills in soldering, coding, debugging, and problem-solving
Designed for ages 11+; perfect for curious kids, classrooms, and family projects
What’s in the box: 2 printed circuit boards (PCBs), 2 LCD screens, 2 antennas, microphones, speakers, casings, lithium batteries, USB-C charging cables, screws and spacers, screwdriver, instruction booklet, and collectible cards
Chatter is more than a toy — it’s a gateway to wireless technology. By assembling, coding, and customizing their own devices, kids don’t just learn about communication systems, they create real tools they can use with friends. A fun and educational way to build confidence in STEM, electronics, and creative coding.