The listing, GREENTECH ENVIRO BATTERY has ended.
Enviro Battery. No batteries required! Have high powered fun learning about electricity and electro-chemical science and experience the power hidden in our natural environment! Become the scientist as you experiment to find how an apple can power a clock, a bottle of soda can turn on a light bulb, and a potted plant can play music! Contains: tower with LED light, sound chip, lcd watch, experiment containers, Zinc and Copper plates, connecting wires, easy to follow experiment instructions and record book.