Turn a lemon into a clock battery with this Lemon Clock Experiment Kit! Plug the Special Metal plates into a lemon and watch the clock turn on! The lemon acts like a battery when combined with the metal plates in this kit and powers up a small clock!
Build circuits that don't require batteries! Just give the Dynamo a crank and watch them power up! Make a dynamo torch, light-up robot, helicopter, propeller powered vehicle, dynamo car & dynamo light bulb!