Colorful Office Thinking Hand Boiler, Glass Science Energy Transfer, Children Science Experiment, Love Birds Color Meter Hand Boiler, 3 Pcs (Red&Blue&Green) By C&H Solutions 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 three items. Dimensions:2x7x2 2oz Safty Hard Box.