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| How to build a better mousetrap - this was a machine built in the shape of a cat. |
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| There was a hot air balloon demonstration. As the air inside of the balloon heated up, the balloon began to rise. As the air cooled back off, the balloon slowly sank back down. |
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| Suze and Sheryl try to solve logic puzzles. You know the kind: remove this ring when it seems impossible. Sheryl lost patience while Suze managed to solve her puzzle. |
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| Sheryl controls the movement of the pneumatic door closers that were used for feet and legs in a mechanical bicylist (not shown) while Suze watches the bicyclist go around the suspended track. |