Micro:bit Hand Wash Timer Kit - Build a Fun 20-Second Countdown to Form Healthy Hand Washing Habits

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Press a button and watch the Micro:bit's LED grid light up as a 20-second progress bar, accompanied by a buzzer alarm to signal when scrubbing is complete. This kit transforms a crucial daily routine into an engaging electronics project, helping kids understand both hygiene and how simple code controls hardware.

What You'll Build

Your child will assemble a working hand wash timer that counts down a full 20 seconds with a visual LED progress bar. When the time is up, a piezo buzzer sounds a cheerful alert, reinforcing the World Health Organization's recommended hand washing duration. It's a tangible gadget they can place by the sink, reminding the whole family to wash properly.

What You'll Learn

• Program the BBC Micro:bit's LED matrix to display a dynamic countdown bar
• Connect a push button as an input trigger using crocodile clips and breadboard
• Control a piezo buzzer to produce sound on timer completion
• Understand the basics of timing loops and conditionals in MakeCode or Python

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This kit is perfect for curious kids aged 8-10 who want to build a real gadget for their home. It aligns with CBSE's emphasis on experiential learning and is an ideal hands-on project for schools with ATL Tinkering Labs or parents encouraging STEM at home. Whether your child is a budding electronics enthusiast or just wants to make hand washing fun, this single-evening build delivers immediate, practical results.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.