Colorful Office Thinking Hand Boiler Glass Science Energy Transfer Children Science Experiment Love Birds Color Meter Hand Bo
Hand Boilers Are Looped In The Twisted Glass Sculptures Containing A Liquid That Will Boil As Heat Is Transferred From Your Bare Hand Simply Hold The Large Bulb End On The Bottom In The Palm Of Your Hand And Within Minutes Your Body Heat From Your Hand Will Cause The Liquid To Rise Once Out Of Your Hands It Takes A Few Minutes For The Liquid To Cool Down Pretty Fascinating Science Toy And An Excellent Demonstration Of Energy TransferFeatures of Colorful Office Thinking Hand Boiler Glass Science Energy Transfer Children Science Experiment Love Birds Color Meter Hand Bo
Great Graduation Gift Science Experiment. Valentine'S Day Couples Love Meter. Glass Sciences Energy Transfer.Office Thinking Hand Boiler. Photos For Display Only Per Order Only Four Items(Colors Are Red Green Blue&Purple) Shape May Vary. Dimensions:8X7X2 2Oz Safty Hard Box.
Warning - California Proposition 65
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.