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$34.99 $48.42 You Save 27% ($13.43)
"Unleash the power of temperature with our Mini Science Toy! This clever engine utilizes temperature differences to provide endless fun and learning opportunities. No need to take ourselves too seriously when we can play with science (and have a blast doing it)!"
### How to Use the Engine Safely
**Usage Instructions:**
1. **Prepare the Cup:** Fill a cup with boiling water, ensuring the mouth diameter is approximately 90mm. Take care to avoid burns from the hot water.
2. **Start the Engine:** Place the engine in the center of the cup and heat it for about 20 seconds to activate the flywheel.
3. **Safety First:** Do not touch any high-temperature areas during the heating process. Always prioritize safety while using the product.
4. **Avoid Burns:** Keep hands away from high-temperature parts to prevent scalding.
5. **No Lubricating Oil:** Never add any lubricating oil to the engine, as it can cause operational failure.
6. **Regular Maintenance:** For optimal performance, regularly clean the cylinder, piston, heating cylinder connecting rod, and other components. Ensure that sliding parts operate smoothly to maintain power efficiency.
Shipping Info:
- Estimated Delivery Time: US 15-25 Days; Worldwide 15-30 Days.
