4M 404916 Thinking Kits Dough Circuit Piano, Mixed Colours

The piano module sends out safe electric signals When you touch both the ground pin and any of the dough strips attached to the piano module, your body transmits a signal and completes a circuit This then triggers a unique sound and you become part of the circuit Surprise your child with this fun and educational kit Suitable for children ages 4 and above - contains everything you need to get started, Manufacturer: 4M