Generic 20PCS Tornado Cyclone Tube Connector Vortex Connector Toy Suitable for Most Bottles,5 Colors

20PCS Tornado Cyclone Tube Connector Vortex Connector Toy Suitable for Most Bottles,5 Colors

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Product Information

• It's made of plastic. Most bottles have normal size connectors. Each bag has 20 connectors in 5 colors, of which 4 are red, 4 are blue, 4 are yellow, 4 are green and 4 are purple.
• The surface of connectors has stripes, thus much easier for you to rotate, can be applied repeatedly
• It is a great educational and fun experiment activity tool,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.
• Use a connector to connect a bottle with about 2/3 of water and an empty bottle, and shake it vigorously for three to five time, then you will see that the vortex in the bottle is rotating,The tornado you expect is formed, so easy.
• It's great educational toy for your kids, p.