ElectroAcuStick
An electronic instrument that lets you tune the unpitched sound of a traditional rainstick
The Magic Box
An instrument featuring directional positioning to control a motor's speed that triggers notes, creating a sparkly haze, then with 2 side-mounted joysticks you can control a melody line with your hand movements.
Singing Tennis Ball
An instrument that takes the positional data of a ball and turns it into musical information