A beginner's electronics project I put together for my Scout group to attempt during Covid lockdown. It's an electronic dice based upon a 555 timer and a 4017 decade counter. Total cost of parts is approximately £6, including breadboard and battery.
You can find more details on this page:
http://www.breakintoprogram.co.uk/musings/electronic-dice-project-for-beginners
Including a bill of materials with links to suppliers, and a downloadable step-by-step build guide.
