Hand-cranked Toy Piano Hack Keeps the Tunes Coming Forevermore
When a battery operated device runs out of juice, most of us reach for a fresh pair of AAโs. But when his daughterโs electronic toy piano had drained its batteries, Dominik instead installed a hand-cranked dynamo to power the instrument ad infinitum. He hacked apart an Ikea flashlight to co-opt its cranked generator and installed it inside his daughterโs plaything. Now a little bit of elbow grease keeps the tunes coming while saving the environment and a little bit of money to boot.
