Balloon Boat
thingiverse
Air-Powered Boat: Inflate a balloon, which becomes the engine that propels the boat forward. Use Lego components to secure the balloon in place, if needed. The air-powered boat actually operates effectively! A one-way valve is crucial; ensure you don't misplace the small flap.
Download Model from thingiverse
With this file you will be able to print Balloon Boat with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Balloon Boat.