Look, let’s cut the bullshit and get straight to the point, shall we? This is a keychain that plays Super Mario Bros. sound FX and has a bright red paint job with an old school Mario logo. It is ...

Illustrated in this simple project is the creation of an Easy Dub Siren from a Circuit Bent Keychain along with a bunch of components. The parts that would be needed to build the Easy Dub Siren ...

These are the "Mousou Controller" keychains. NES-like controller with cross-shaped joypad and two buttons. For some reason, the buttons are P and K instead of A and B. Maybe Punch and Kick? Power ...