Features:
1. Widely used for children's science projects, physics/mechanical learning, teacher demonstration props in the classroom.
2. Made of high-quality materials, exquisite and beautiful.
3. Practical use, grasp more intuitively its low-temperature working principle, deepen your interest in physics.
4. Scientific design of the overall structure to ensure system integrity and stability.
5. Safe and environmentally friendly, stable performance, convenient and practical.

Specification:
Condition: 100% Brand New
Item Type: Stirling Engine Model
Material: Iron
Operating steps:
Pour boiling water into the cup, put the Stirling engine model on top of the cup, and preheat for one minute to lower the temperature of the cup water
Size: Approx. 9.7 x 12.9cm / 3.8 x 5.1in

Package List: 1 x Stirling Engine Model

Note:
1. Please allow a slight error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.