- EASY OPERATION: Fill the lamp with 95% alcohol to heat the glass cylinder; then, after warming up for seconds, give the flywheel a spin and it will rotate rapidly and smoothly.
- EDUCATIONAL TOY: It's a vivid model displaying basic principle of external combustion engines. a well-designed and crafted mechanical toy suitable for people of all ages from all works of life.
- HIGH QUALITY: Made of precision, the whole is made of high-grade materials, and the heating tube is quartz glass, durable and safe enough to use for a long time.
- WIDE APPLICATIONS: A great gift for Kids' science project, physical or mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc.
- AGE RECOMMEND: Suitable for people over 10 years old, people under 10 years old should be used under adult supervision.
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