Narati Hand Boiler Classic Science Toy – Heat-Activated Glass Novelty

Bring classic science fun to your desk with the Narati Hand Boiler.
This eye-catching glass novelty demonstrates how heat and pressure work together in a simple and fascinating way. Just hold the bottom bulb in your hand and watch the colored liquid rise and bubble upward.

The Hand Boiler is a fun conversation piece for desks, classrooms, science displays, gift shops, and home decor. Its compact size and colorful design make it both entertaining and educational.

Features:

• Classic hand boiler science demonstration
• Shows the effect of heat and pressure in action
• Fun and educational desk novelty
• Great for classrooms, offices, and gift giving
• Bright colorful liquid inside clear glass
• Compact size for display and easy handling
• Hand Boiler styles and liquid colors may vary. One style/color will be selected at random based on current inventory. The item received may differ from the photos shown.

Please note:
This item is made of glass and should be handled with care. For demonstration and decorative use only. Not suitable for young children. Adult supervision is recommended.