Specifications: DIY homemade fruit battery power electricity-generating experiment educational science physical DIY power generation experiments toy. A wide variety of experimental raw materials can be found at home, such as oranges, tomatoes, potatoes, and s. Fun and easy to learn, helps exercise children's practical skills. Through experiments, children can explore and understand scientific principles and improve their hands-on ability. Type: Fruit Battery Kit Material: Metal, Plastic, Rubber Features: Educational Toy, DIY Homemade, Easy to Play, Durable, Generator Toy Cable Length: 26cm / 10.24 inches (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the pictures. Please allow slight dimensional differences due to manual measurement. Package Includes: 1 Set Fruit Battery Kit (Fruit Not Included)