Tornado Tube - Assorted Colors…
- Sufficient quantity: you will receive 20 pieces tornado bottle connectors in this package, 5 different colors, 4 pieces for each color, vibrant color and adequate quantity for your using and sharing.
- Plastic material: each cyclone tube is made of plastic, durable to use for a long time, with stripes on the surface of connectors which makes it much easier for you to rotate, common size suitable for most bottles.
- Easy to use: these bottle connectors are suitable to connect a bottle with little water or an empty bottle, you can shake the bottle horizontally 4 or 5 times, and then you will see the water rotate in the bottle.
- Educational tool: our plastic tornado connectors have educational meaning, ideal experiment tool for school, classes which can help increase children's intelligence and stimulate their interest to physics and study.
- Gift choice: if you want to find a practical and educational gift to your children or friends, our cyclone tubes are nice choice, appropriate for Christmas, Birthday, and other holidays.