Features: Unleashing the power of learning with the Hands on Assembly Fruit Battery Experiment Set, stimulating curiosity and enhancing understanding of electricity through hands on scientific exploration. Crafted from metal, this educational fruit powered battery electricity experiment set is and safe, providing wonderful and engaging way for children to create their own homemade fruit batteries. Very suitable for children aged 7＋, this educational fruit power generation experiment set is great for students, parents, and teachers who want to explore science together and foster deeper understanding of electrical principles. Widely used for homeschooling, labs, classroom teaching demonstration, school science classes, extracurricular activity, and science clubs. Enhancing your child's STEM education with this innovative experiment set, which comes with detailed instructions ensures seamlessly and enjoyable learning journey in both classroom and home setting. Specifications: Component: Metal, Plastic Color: Gold, Silver, Black, Red, Size: As Picture Shown Weight: Approx. 100g Package Includes: 1Set Education Fruit Power Generation Experiment Supplies note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color