Tornado in a Bottle - Tornado Tube Make a soda bottle into a tornado with the twist of your wrist
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How long does it take to empty a soda bottle full of water? You'll amaze your dinner guests and explore some of the scientific properties of air and water when you learn how to empty a full bottle of water in just a few seconds!
- Tornado Tube Book $10.95
- Tornado Tube Classroom Kit $39.95
- Tornado Tube $2.50
- Tornado Tube with Bottles $3.95
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