Products

Stem-Toys is a kind fashion product from Hema brand factory. As the manufacturer and supplier in China, we provide customized service and make newest and fashion Stem-Toys in classy quality. Contact us for lastest selling Stem-Toys and advanced items. Welcome to to place bulk orders. Low price can be discussed.

View as

Fruit Battery Clock

Fruit Battery Clock with zinc and copper strips, a number of wires, electronic clock or LED plus potatoes or oranges and other fruits. First kneading the fruit to make it more loose so that the water flow more fast, plug in the two electrodes, connect the wire, install the diode or electronic clock on it