L-Type Golden Twp Cylinders Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Toy Type_Stirling Engine Vehicle Screwdriver(80150)：3mm

Screwdriver(80150)：3mm

Please connect the boiler by yourself (boiler is not included)

Size:100x132mm/3

the clip combination combination wheel hub and LED lamp group

L-Type Golden Twp Cylinders Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Toy Type_Stirling Engine Vehicle Screwdriver(80150)：3mmL Type Golden Twp Cylinders Stirling Engine Generator Model with LED Diode and Bulb Science Experiment Toy Features:. Stirling Engine: The engine can be lit with LED light emitting diodes or bulb, allowing you to explore science while playing, observe the magical process of operation, and promote imagination and creativity. Full of metal mechanical sense and sense of science and technology. It is an excellent elegant decoration model. Fine