LEARN ABOUT VORTEXES: Steve Spangler's Tornado Tube is a great way to create a hands-on demonstration of vortex action! LEARN ABOUT ENERGY: Steve Spangler's Tornado Tube can be used to study kinetic and potential energy with your students! Manufacturered by Steve Spangler Science. LEARN ABOUT WEATHER: This science experiment kit is a great introduction to any weather unit! EASY TO USE: Connect two empty bottles with the Tornado Tube tip it upside down swirl the bottles and in seconds a "tornado" appears! AMAZING SCIENCE ACTIVITY: With Steve Spangler's Tornado Tube you can create a tornado in a bottle!