Mini Hot Air Mini Sterling Engine Model Steam Power Toy Physics Experiment Gift

Aerodynamics are rich in knowledge of physics, single cylinder combustion engine.
Engine princle is intuitive, educational toys, teaching experimental equment can
effectively cultivate children's intt in learning can also be used for clroom
teaching, more intuitive and easy to understand.

Specifications:
Material:metal,gl
:gold
Size:165x87x95mm

Note:
-There will be the operation of steam,when the steam too much, the engine will stop working,
inside and outside the often set aside to reduce friction
-Do not rotate the nut too tightly, wise the gl is broken, if the piston is craed,
can be bonded with .
-The alcohol lamp wi do not touch the gl, do not get too tight ring
-Pulling the piston connecting rod can not force the front end, because the front
end is easy to break
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