Be Amazing Toys Geyser Rocket Car
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From the Manufacturer Now you can harness the power of Mentos candies and soda into a racing car that travels 200' or more. As soon as you release the Mentos into the soda bottle onto the chassis and you're ready to "Start Your Engine." Learn why this works so well and experiment with the other types of car power. Use the included needle and rubber stopper to convert to an air pump system. Teaches children about Newton's laws of motion. Great science fair project. Goes over 100'. Can be used with mentos and soda or just air. Everything is included in this kit to get started.