Tornado Whirlpool Vortex Bottle Water Connector

Use a connector to connect a bottle with about 3/4 of water and an empty bottle, shake the bottle horizontally 4-5 times, then you will see the vortex in the bottle rotate. You can put coloring or washing powder is added to the water in the bottle, so that the little tornado you create has different colors and bubbles, which is more interesting

Experiment: It is a great educational and fun experiment activity tool for school classes, homeschoolers and scouts. It can help increase the intelligence of the kids, stimulating kids interest to physics and study