1. Make sure your stopper or cork fits snuggly into the neck of your bottle.
2. When you have a cork or stopper that fits, poke a hole through the center with the nail (be careful!).
3. Press the inflation needle through the cork or stopper until the base rests snugly against the body of the cork or stopper.
4. Build fins for your rocket out of cardboard. These fins will serve as your launch tower, so make sure they're long enough to lift the neck/stopper/inflation needle assembly off the ground.
5. Tape your rocket fins firmly into place.
6. Carefully fill your bottle about one-quarter to one-third full with water.
7. Insert the cork or stopper and attach the air pump.
8. Set the rocket on its fins, with the air pump a safe distance away. Make sure no objects (including your own or another person's head) are directly above the rocket!
9. Begin pumping. You'll see air bubbles entering the bottle.
10. Pump until the rocket blasts off. Collect your rocket, repair any damage to the fins, and try again!
1.5, 1.6, 3.3, 3.4, 8.3
Y2002.CSC.S03.GKG-02.BC.L01.I05; Y2002.CSC.S03.GKG-02.BC.L01.I06; Y2002.CSC.S03.G03-05.BC.L03.I03; Y2002.CSC.S03.G03-05.BC.L03.I04; Y2002.CSC.S03.G06-08.BB.L08.I03
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