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Solar System Crafts
The combination of water, compressed air, and a plastic soda bottle serves as a great source of propulsion for a backyard rocket (assuming you have a big back yard). Typical versions of these rockets involve taping or gluing on the nose cone and fins which can be challenging to keep attached and often end up fairly crooked and wobbly. Why not try a different approach where you build a rocket frame around the soda bottle and don't rely on direct attachment to the bottle? I made th...