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it is a beautiful piece of art
Single Cylinder Balance Stirling Engine Model Science Experiment Kit with All-metal Base
Due to the different display and different light
After about 2 minutes of heating to the brass boiler
power cylinder and the power piston is SUJ2 material fine grinding surface of special treatment
Stirling Engine Model Vacuum Motor Model Kit Engine Motor Educational Toys Price_《$30 it is a beautiful pieceStirling Engine Model Vacuum Motor Model Kit Engine Motor Educational Toys Features: . 100% brand new with high quality . Beautiful appearance and high quality . The structure is more compact, with a lever mechanism and a rocker mechanism, which looks mechanically full . Made of all metal fine grained, the process is highly precise and the internal design of the machine is tight . The whole is mainly made of stainless steel, the key component cylinder
US$ 45.00
US$ 102.30
US$ 111.75
