| Specification: |
| Material: |
ABS, PC, PP, PS, Rubber, Silicon, Steel, Aluminum |
| Battery Type: |
not required |
| Manual: |
Japanese |
| Age: |
18+years |
| Features: |
- An engine works when there is temperature difference between the top plate and bottom plate.
- The working engine makes the disc rotate.
- It even works when put the engine onto your palm in the cold weather.
- Demostrates an environment friendly engrgy system.
- Easy to set up with step-by-step instructions.
- Fun and educational science kit for adults to play.
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| More pictures: |
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| Decoration on the engine |
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| More decorations |
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