What's in the box:

Aibecy Mini Hot Air Stirling Engine Motor Model Stream Power Physics Experiment Educational Toy (Standard)

Features:
A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work.
Teaching will be more intuitive and more interesting.
Student can understand it quicker and better.
The assembly process is quick and easily.

Specifications:
Model: LL-002
Material: Galvanized Iron Sheet & Glass
Speed: Up to 200rpm
Engine Size: 16.2 * 8.8 * 8.3cm / 6.4 * 3.5 * 3.3"
Engine Weight: 308g / 10.8oz
Package Size: 17.5 * 9.2 * 11cm / 6.9 * 3.6 * 4.3"
Package Weight: 464g / 16.4oz

Package List:
1 * Stirling Engine Self-assembly Kit
1 * Alcohol Lamp (Without liquid)
2 * Spare Tube
1 * User Manual(English/Chinese)

Note:
1. Glass should not be exposed to water after being heated, or otherwise it will split.
2. If the alcohol is spill, please use wet cloth to put out the fire.
3. Children under 12-year-old should be accompanied by adult when using this product.