HEEBIE JEEBIES Liquifly Race Kit/School Kit
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Experiment with different size bottles, valve pressures and water levels to se who can fly the highest. The Liquifly rocket kit contains everything you need to build and launch your own water-powered bottle rockets.
Contains: 2 pumps, 6 fins,2 hoses with connectors, 3 large bottles, 3 hard valves, 3 soft valves, 2 laminated experiment sheets and one big storage box to house it all ready for next time.
Would be great for an older childs rocket party.