Mini Hand Boiler [Set of 3] Colors May Vary

X4231 Features: -Material: Fine glass. -Fascinating science marvel. -Demonstrate the science of temperature and gas pressure changes. -Gift boxed. Gender: -Boy/Girl. Category: -Early Development Toys. Minimum Age Requirement: -8 Years And Up. Generic Dimensions: -3" H x 2" W x 2" D, 0.34 lb. Dimensions: Overall Height - Top to Bottom: -3 Inches. Overall Width - Side to Side: -2 Inches. Overall Depth - Front to Back: -2 Inches. Overall Product Weight: -0.34 Pounds.