2x Cyclone Tube Tornado Vortex In A Bottle Sensory Science Experiment Sensory Y98A

Description

100 brand new and high quality
OOTDTY

Material: Plastic
Color: Color will be sent randomly

If you buy more, you may receive the same color or multiple colors.
Watch your vortex spin in the bottle!!!This is a great educational and fun experiment and activity for school classes, homeschoolers, scouts and any other group. Create a tornado from two 2 liter plastic bottles, water and a colorful plastic connecting tube. Swirling water creates a funnel-shaped  vortex as it drains from one bottle to another. You can create different ways to work with it by timing the  water draining, using bits of paper or food coloring or lamp oil.
Size: approx. 4.8 x 3.2 x 3.2cm/1.89 x 1.89 x 1.25
Quantity: 2Pcs
Note: Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!