This wooden pneumatic mechanical toy is a small but fully functional example of a steam engine which uses air pressure to set its gears in motion. This model includes a built-in air pressure gauge and two compartments for storing spare parts or anything else you could think of. Watch the air pressure gauge respond to the force you create and see how it corresponds to the motion of the engine wheels and the crescendo of the hissing pneumatic drive.
Generate real kinetic mechanical force just by blowing into the opening or squeezing a balloon (not included) into the hole to spin the wooden engine's wheels. Observe the actual mechanism of these fascinating historical machines as all the parts erupt in motion.
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