This is a musical device which allows for up to eight notes on each disk to be programmed with push pins, then you'll only need to rotate the crank to get a nice (or not) melody. It has an integrated midi to audio module so it can be used even with earphones.
The incredible one button game is here, with a mangled game system and no logic whatsoever, countless hours can be spent on this alien device.
A fantastic insight on how to make a wonderful one button game, don't miss any detail!
This is a two person game that I've made, it is rechargeable and it is a response time game. Quite simple but also quite entertaining.