Features: Exquisite Model: The stirling engine with a cool and eye-catching golden appearance, with a luminous gyroscope, which emits brilliant lights when the machine is running, full of metal mechanical and technological sense. Science Educational Toys: Truly restore the principle of the stirling engine, observe the magical operation process, increase knowledge, and enhance imagination and creativity Exquisite Manufacturing Process: The machine is mainly made of zinc alloy material, the surface is electroplated, and the surface is rich in metal luster, the machine runs smoothly and reliably, and the double combination of texture and beauty. Instructions: Place the stirling engine model on a horizontal table, press the gyroscope with your hand to make it glow, then pour 95% alcohol into the alcohol lamp (capacity not more than 2/3), light the alcohol lamp and place it under the hot cylinder warm up for 30 seconds, turn the flywheel by hand to help start. Use Meaning and Value: By observing the running process of the engine, one can understand and learn the structure and principle of the stirling engine. It can be used as a science educational toy to do scientific and technological experiments and cultivate innovation ability. At the same time, it can be used as a technological ornament, with collection value, or as a creative gift for relatives, friends or children. For Age: 10+
Specifications: .Color: Golden .Material: Metal + Glass .Product Dimensions: 16 x 7 x 9.5cm .Product Weight: 340g .Package Dimensions: 18 x 9.5 x 12cm .Package Weight: 430g .Packing: Box
Package Content: .1 x Stirling Engine
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