Delinx 2 Set Liquid Battery Science Experiment Kit Salt Water Seawater Battery with Electronic Clock for DIY Home Teaching School Science Project STEM Education Subject
$8.99
Description
Package Includes:4 pieces carbon sheet, 4 pieces Mg sheet,2 piece Electronic clock, 4 pieces wires with clip, 1 piece English instructions. REQUIRE: SALT WATER AND A CUP.Enhance children’s science knowledge:How the circuit works, What is the principle of the battery, trigger the child creative interest in science..Easy to operate:you only need to prepare a cup of salt solution,According to the English instruction manual,assemble a liquid battery to make the electronic watch work.Non toxic, non corrosive, and safe scientific experiments, should be conducted with the accompaniment of parents or teachers
