Great Gizmos offer a very large range of inspirational, inspiring, creative, imaginative, fun and educational toys. The Tornado Tube is new this year to Great Gizmos. Educational and fun toy. Create your own water tornado inside a bottle with this tornado tube. It is a fun experiment that you would never get tired of watching. Zooms across the floor with just the power of air. Learn about Isaac Newton famous law of motion as you play with this classic toy. Have fun with this cool science gadget. Ideal for gifts, party bags. Will keep the kids happy indoors and outdoors.