zzzopne technology Balance Type Stirling Engine Motor Education Model Electricity Generator Power Generator Physics Experiment with Copper Cylinder

Features :
with Copper Cylinder
Model? balance type
Material: Steel,copper and Aluminium
Weight:less 1KG
Package:155X80X130MM
Attention :
1. do not touch the tube and its associated with the metal, so as not to burn.
2. do not easily touch alcohol lamp , so as not to burn.
3. it’s for over 8 years of age, and the children should perate under the supervision of the parents.
Note :we have the vedio for the item.

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