Balloon Engine for Interlocking Toy Brick System
Description
*This is a work in progress* It's tricky to print a balloon rocket car due to the wheels and axels. So I figured "why not use the LEGO wheels we already have?" Basically this is the mechanism for a typical balloon car but embedded into a custom LEGO-compatible body, so you can just snap it on to whatever LEGO vehicle you want. Place a standard balloon over the lip of the "pipe" on the top. Blow through the rear nozzle to inflate. I'm still working on variations - my goal is to showcase the differences in nozzle size for instance, so they can be used to help kids understand Newton's laws etc.
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