The Trouble Bubble
The trouble bubble is meant to be a fun toy for 8-12 year olds. The Trouble Bubble operates on the basic concept of gravity, allowing children to really become a part of gravity experiments. By strapping into the Trouble Bubble, children can safely be pushed down stairs, hills, cliffs, etc.
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All text and ideas prestented copyright 2000 Christian Reed.
This is not a real product, but is a project for 39-245 of Carnegie Mellon University. That does not give you the right to take any ideas without permission though. Be warned that if you do I will find out, and I will kill you very slowly with the aid of hundreds of frogs.