Usage Tips:PACKAGING INCLUDES: You get 6 sets fruit battery science experiment kit, which include 24 pieces of copper sheets, 24 pieces of zinc sheets, 6 pieces of electronic clocks, 12 pieces of RGB LED, 24 pieces of wires, 12 pieces wires with clip, 6 whole sets to applyFEATURES: By completing the fruit battery science experiment project with your child, you can create your child's imagination, improve hands-on skills, increase scientific knowledge, and develop a love of scientific inventionsEASY OPERATION: You only need to prepare fruits, vegetables or drinks tosemble a battery to work with led or electronic watches, such: , oranges, potatoes, lemons, , , pears, pineapples, or salt solutions, etcAPPLICATIONS: The fruit battery science experiment kit is used in intellectual development, hands-on brain, interest training, parent-child communication, interactive toys, etcATTENTION: This fruit battery science experiment kit can only be applied by people over 12 years old, and experiments should be conducted under the supervision of teachers or parents.Material: Metalcolour: shownPackage Contents:6 set x science kitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.