| Brand | Unbranded |
|---|---|
| Color | Silver Black |
| Country of Origin | China |
| Material | Metal |
Check the listing for details. Low Temperature Stirling Engine Educational Toy for Tea Cup Desk Home Office. Color: Silver Black, Condition: New, Made in China. Listed at 36.97 USD. Engaging Learning Experience: This Stirling engine can be placed on a warm water cup or coffee mug, it transforms heat into motion and it will keep running for minutes as long as the temperature difference is enough.
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