Tronex - Piano Lab

Tronex - Piano Lab

More than 38 exciting educational experiments. Learn to connect interesting ELECTRIC PIANO, LED LIGHT and many more! Fun light control for creating sound. Magic finger touch control for operating doorbell melodies ---Simple magnetic control as ON/OFF switch. Be amazed to discover more exciting experiments on your own. Requires 2 x "AA" batteries, not included. Recommended Age: 8+ years.