uGears Pneumatic Engine Wooden Mechanical Model 3D Kit Puzzle New Seal
Number of parts: 81 Assembly time: 1-3 hours Level: Easy Model size: 16.2*7.8*10 cm The UGEARS Pneumatic Engine may be small, but is definitely mighty, giving a sneak peak inside a functioning steam engine. The model Pneumatic Engine comes to life by either having the user blow into a special socket, or by using an ordinary air balloon. All the parts move as if they were inside a real steam engine, the amazing thing is – it’s built entirely out of plywood! The Pneumatic Engine comes with it