Ugears Pneumatic Engine Gross Motor and wrench for an immersive

and wrench for an immersive constructive play

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Ugears Pneumatic Engine Gross Motor and wrench for an immersiveNumber of parts: 81 Assembly time: 2 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 its built entirely out of