What's in the box:

1 X Aibecy Hot Air Stirling Engine Motor Model Electricity Generator Metal Base Science Educational Toy (Standard), 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.
The electric engine generate enough power and light up the mini lamp after it reach a certain speed.
Inspires students' curiosity, make teaching more intuitive and interesting.
With fancy appearance and compact body, is undoubtedly the best decor for your home or office.
Hot Air Stirling Engine Size: 145 * 90 * 84mm.

Specifications:
Color: Silver & Gold
Material: Metal
Item Size: 14.5 * 7.5 * 8cm/ 5.7 * 2.9 * 3.1in
Item Weight: 467g/ 16.5oz
Package Size: 17.5 * 11.5 * 9.5/ 6.9 * 4.5 * 3.7in
Package Weight: 576g/ 1.3lb.

Package List:
1 * Stirling Engine
1 * Alcohol Lamp (without liquid)