25 Pieces Tornadoes in A Bottle, Plastic Tornado Bottle Connector
Cyclone Tube Vortex Connector for Scientific Experiment, 5 ColorsUSD $9.99
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- Suitable for most popular bottles
- Made of durable plastic. Stripe on connector surface for easy rotation
- Scientific Exploration - Good for kids to explore some of the scientific properties of air and water, and to stimulate their interest to physics, dynamics and potential energy
- How to use - Use a connector to connect a bottle with about 3/4 of water and an empty bottle, shake the bottle 3-4 times horizontally, then you will see that the vortex in the bottle is rotating. 2-liter bottles are recommended. If you want to create a colored tornado, you can add pigment to the water
- Package includes 25 pieces connector, good for sharing with friends or classroom use
- Size: 1.88 inches,1.13 inches,1.27 inches
- Weight: 0.78925489796
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