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Ugears 3D Self Propelled Model Engine

Build a Fully Functional Pneumatic Engine



This 81-piece model of a working pneumatic engine runs on air pressure. Use an ordinary inflated balloon and watch the pistons and gears begin chug-chugging along like old locomotive steam engines. Safe and fun for all ages!

  • 3D model of a working pneumatic engine
  • 81 pieces
  • Made from wood
  • Assembles without glue or chemicals
  • Model size: 6.4 x 3 x 3.9 inches


+Free US shipping. Free standard shipping to Contiguous United States for registered members. AK, HI, and PR excluded.

Questions? Email us or call us at 415-255-5839

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wooden self-propelled models. Best for all occasion gifts and family projects. Smart and engaging hobby.


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Product Details

Model Size

6.4 x 3 x 3.9 inches

Package Size

14.6 x 5.5 x 1.2 inches

Number Of Components


Manufacturer Recommended Age

12-10 years


11.2 ounces

Customer Reviews


ch****@gmail.comAug 7 2018, 1:41 pm

I bought this for my daughter to play with. She had a lot of fun building it and then playing with it after. Quick Tip, if you dont have wax, use chap stik. It seemed to work just fine.

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