waitahug educational experiment science toy watertight metal tornado connector cyclone tube, no leak, vortex tornado tube con

1?The content includes: 1 tornado cyclone tube, 2 plastic bottles, 1 manual, and 1 exquisite gift box. | 2?Toy material: The tornado connector is carefully made of metal. The gong pattern will not be tight due to repeated use. There are several non-slip fine lines on the surface, which are easier to rotate. There are two silicone pads in the tornado connector. Film, effectively prevent water leakage. | 3?How to use: Fill a plastic bottle with 3/4 of water, and then push the two plastic bottles to the faucet connecting pipe, and then the bottle with the water up, hold the tornado connector and shake it in a circular motion 4-5 times, then You will see the water in the bottle spin. | 4?Educational tools: through the use of tornado toys, preliminary observation and understanding of the formation and phenomenon of tornadoes, etc., can help improve children's intelligence and stimulate their deep interest in nature, geography, physics, meteorology, science and other subjects. It is ideal for schools and families Experimental tools. | 5?Gift selection: The tornado toy has a gift box and instructions for easy use. It is your first choice for finding practical and educational gifts for your children, suitable for Christmas, birthdays and other holidays.

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