Study Newton's laws of motion as you build rockets that soar up to 150 feet! This high-quality launcher uses water and air pressure (from a bicycle air
pump, not included) to launch plastic soda pop bottles. Includes instructions with ideas for
experiments, such as making an altimeter and testing
what happens when water and air pressure amounts are varied. This set does not come with a stand; prongs at the bottom of the launcher are designed to stick it into the ground. Adult supervision required. Ages 13 & up.
This kit includes the following:
Aluminum launcher with trigger and lanyard
Pressurized tube with stopper
Plumb line with weight
You provide a soda bottle, air pump, tire pressure gauge, and other household
items. We also recommend protective safety goggles.
The other reviewer suggested pulling the cord gently. NO, NO, NO! If you do that, the assembly can tip toward you and the bottle can come straight at you. If it's pounded into the ground properly, a swift and sudden jerk on the string is what you want. Then watch it soar!
Some Tips for Use
By: Anonymous
September 4, 2006
Overall, this is a better rocket than using baking soda and vinegar, but make sure a parent is helping with this rocket. The stand is not included in this kit. That means it tips over when you try to launch it. The prongs are short, so after you pound the two prongs into the ground, place rocks around it to stabilize it. The directions say use a bicycle pump and pump 30 times into the bottle. We suggest pumping 50 to 60 times, otherwise, the bottle just sits there. Remember: don't stand over the bottle. The directions say pull the cord hard, but DUCK! The rocket tips and launches right at you. We suggest pulling the cord gently, so the rocket shoots straight up.
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