Uses four 32mm Arcade Push Buttons with integrated LED. Also has an integrated Buzzer and 9V-Battery.
It's quite stable and perfectly suitable for children.
Detailed buildling instructions (in German) including the BOM can be found here: https://blog.play-zone.ch/2016/05/20/senso-simon-says/
The Arduino-Sketch is @Github: https://github.com/Play-Zone/Senso4Arduino
Bottom.stl | 146.8KB | |
Top.stl | 157.1KB |