TRONEX - PIANO LABORATORY 38+ EXP.

38+ Piano Lab is an educational game offering more than 38 exciting experiences. It teaches you how to connect an electric piano, a speaker, an LED, resistors, and many other components. The kit includes an LED brightness setting, touch control with your fingers to turn on the light, and a simple magnetic switch to activate the electric piano.  Requires 2 AA batteries (not included).