- Buy 10 for $1.25 each and save 17%
Have fun while learning!
Turn two plastic soda bottles into an exciting hydraulic "toy" with the Vortex Tube. Fill one container with water, join both with the tube, and create a swirling tornado in a bottle. Introduce your students to the vortex effect while running tornado "races," testing liquids of different viscosities, and other demonstrations. Save money when you buy 10 or more!
Small Parts. Not for children under 3 years.