School Lab Fruit Battery Clock

School Lab Fruit Battery Clock

Apple, orange, pineapple, potatoes, etc., can be made into fruit battery
This kit includes a digital clock, wires, prongs, and a small light
Two or three fruit parts are all that's needed to create a working clock.No batteries required.
Ability training: intellectual development, hands-on brain, interest training, parent-child communication, interactive toys, and other abilities
The production of science and technology can magnify the imagination of the child and stimulate the children's ability to create and invent new things