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4,3,2,1. Blast Off! Launch your very own 4M Micro Rocket Launcher into the air with this quick and easy science kit. Just fill the launcher with vinegar and baking soda, slip in the foam rocket and watch the chemical reaction send it flying! Use it over again and again. Vinegar and baking soda are NOT included. For ages 5 and up. Approximate dimensions 8" X 5"
