The Potato Clock is a fun and educational science experiment set by Green Science, perfect for kids aged 8 and above. With no batteries required, this interactive toy encourages young minds to explore the world of science and nature. The boxed lab provides hands-on learning opportunities for children to discover the principles of electricity and energy in a playful and engaging way. This new and sealed product offers a unique and entertaining way to spark a child's interest in science. 3 years plus.