[Gameplay] Players use a stainless steel ring to slide along a steel ring track. Sliding from one end to the other without touching the rail triggers the mechanism. Otherwise, they...

How to Play: Use two buttons to control the clock's forward and reverse rotation. When the clock is set to a fixed trigger time and remains there for one second,...

Checkers game: There are three red pieces on the left and three green pieces on the right. Simply swap the pieces to clear a level. Pieces can only jump forward,...

Instructions: 1. Human Bridge: Players must hold hands and simultaneously touch two metal contacts to trigger the 12V electromagnetic lock to open. (The contacts must be connected to a large...

How to Play: After powering on, the magic disk lights up once and then turns off. When an IC card is placed or touched, it lights up again. This triggers...

How to Play: There are N buttons, each of which can be pressed to one of seven colors (red, yellow, blue, green, white, purple, and cyan). Each press switches to...