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i came up with this idea after my dad told me to leave my real bottlerockets alone and i got bored. so... vuala!
1 bike needle 1 bike pump infinite plastic bottles that's all!!!
stick the needle through the cap and pump! note:hold the bottle down until launch. you can also add some water...;)
pump and release!!!!
Water Rocket Projectby Goldee110891
Upside Down Bottle Rocketby ajensen19
WATER BOTTLE ROCKETby Rebeccaboogirl8
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