2 Sets fruit battery science experiment kit orange potato lemon battery physics teaching experiment with 2 pieces electronic clock educational toy for studentsFeatures: Happy and easy to learn: A wide variety of experimental materials can be found at home, oranges, tomatoes, potatoes, etc. suitable for both home and school. Functional game: Learn about electricity in an innovative way, also develop children's hands ability, observation, space cognition, stimulate children's intellectual potential.Specifications: Material: zinc, copper, plasticSize: approx.15 x 10 cm/ 5.9 x 3.9 inches in length/widthColor: as pictures show Quantity: 34 pieces totally Package includes: 8 x Wire 4 x Crocodile clip8 x Copper sheet8 x Zinc sheet4 x LED2 x Digital clockNote: Children's playing must under parental or teacher's supervision.Suitable for people over 12 years old. (US)Suitable for people over 14 years old. (Europe)
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