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VITSZEE Salt Water DIY Science Experiment Complete kit | Copper, Zinc Plate (Strips), LED Light, wire | Science Lab | Activity Kit | Fun-Magic With Learning | Education kit | School-College Project | Practical | Science Fair | model | Tinkering Lab | Unique Idea | Chemistry-Physics Laboratory | Class -Grade 4+ | Generate electricity using Salt water to glow the LED. Step by step easy process children will looking at the image. It is very simple. Just show image and do it manually. Includes kit : 4 Copper plate + 4 Zinc Plate + 5 wire + 5 LEDs, sound buzzers. Salt water battery DIY kit for school college practical experiment, Free energy device, use Salt + water to glow LED. Heavy Quality Copper-Zinc plate. Best Birthday Gift for your Genius children. Best product valuable price Theory to practical learning teacher student. Unique Idea | Chemistry-Physics Laboratory | Class -Grade 4+ | school -Coplege project | Activity kit |Education kit |