DIY Potato Powered Fruit Digital Clock Kit For Kids Children Science Learning Experience Toys

Specification: Item DIY Potato Powered Digital Clock Material Plastic,Metal parts, electronic components Color As the picture Size Zinc and copper sheet width 1cm, length 5cm Weight 29g Description: Fruit battery experiment description: With zinc and copper and wire and a number of electronic clocks and light-emitting diodes or potatoes, oranges or oranges and other fruits and vegetables,first Knead the fruit to make it more relaxed to facilitate the flow of water, insert the two electrodes, and wire and Electronic clock ,then it finish Fruit battery power generation principle: Because the fruit contains electrolytes such as citric acid, it inserts two kinds of metal plates with different chemical activities in the fruit, Due to the positive charge, The system needs to be stable so that in the case of a primary battery, the system is stabilized by the electrons from the circuit, in which case the current size is theoretically related directly to the acid concentrationNote:The fruit ,such as Potato or other fruit,you need to prepare by yourselfPackage included:1 X DIY Potato Powered Digital Clock