Science Saltwater-Powered Robot Kit, No Batteries Required, DIY Toys, Scientific Experiments, Creative Toy, Environmental Protection, for Festival Boys & Girls

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About this item

• This robot kit is hands-on learning experience that illustrates the value of alternate energy sources.
• This kit contains all the parts and materials needed tocreate a salt-water powered robot.
• The robot is powered by a primary battery formed from magnesium sheets, carbon sheets, and saline solution, which is safe and non-toxic.
• No batteries required! Fun and educational.
• Recommended for ages 5 years and up！