4 Sets Fruit Battery Kit, Lemon-Potato Battery Science Experiment Set Physics Teaching Tool Educational Toy Clock Hands-On Science Toy STEM Exploration Activity Bioenergy Experiment Kit for Students

Overview4 Sets fruit battery science experiment kit orange potato lemon battery physics teaching experiment with 4 pieces electronic clock educational toy for students Features: Happy and easy to learn: A wide variety of experimental materials can be found at home, oranges, tomatoes, potatoes, and more. Suitable for both home and school. Functional game: Learn about electricity in an innovative way, also develop students' hands ability, observation, space cognition, stimulate students' intellectual potential. Specifications: Material: zinc, copper, plastic Size: approx.15 x 10 cm/ 5.9 x 3.9 inches Color: as pictures show Quantity: 68 pieces totally Package includes: 16 x Wires 8 x Crocodile clips 16 x Copper sheets 16 x Zinc sheets 8 x LEDs 4 x Digital clocks Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. This product can only be applied by people over 12 years old, and the experiments should be performed under the supervision of a teacher or parent. Pointed items included, please use with care. Swallowing and winding risks may exist, please use this product under adults' supervision.