There once was a time when big steam engines with their unprecedented power and noisy operation of the people were amazed. The air motor UGears is a small but exact example of a steam engine. Blow into the special bus or rather there will be a balloon and the steam engine work (on air). This model is unusual because it is made entirely of wood materials. The mechanism has a tachometer and two parts boxes. Model Size: 162 x 78 x 100 mm.
This model consists of 81 parts and without glue or tools are put together!