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Build splashy STEM projects that run on pressurized air and water—no batteries needed
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Assemble six working models: water-rocket cars, jet-propelled boats, a water gun, and more
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Discover action–reaction forces, rocket propulsion, pneumatics, and why air + water = max thrust
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Hands-on tests let kids tweak blade angles, water fill levels, and air pressure to optimize performance
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Safe, backyard-friendly experiments that connect real-world engineering to rockets, organs, and sprinklers
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Durable parts and a guided manual support repeatable builds and open-ended tinkering
