Balloon-Powered Lego Car

It’s a motorcycle?  No, it’s a plane?  Wait, it’s a car?  No, it’s a balloon-powered zoom machine!

Frugal Fun 4 Boy’s most recent Lego challenge involved 3 fun things in this house:


Daddy and BroBro worked together to make this balloon-powered contraption.


First BroBro wanted to learn how to blow up balloons.  I was quite surprised at how well he did with this.  And because Pretty Girl wants to do everything her brother does, she too tried.


Once the balloons were finally put to the side, BroBro became interested in how this new toy was going to work.


A plan was put into place.


Daddy and BroBro combined two motorcycles and two triangular pieces (that looked much like airplane wings).  BroBro was interested to know if his special car was actually going to fly.


Finally, the car was set into motion.  There were a handful of unsuccessful attempts.  Including this one where Daddy  tried to pop the balloon for an added affect.


But in the end, our balloon-powered zoom machine moved quite well.  Our longest track went about 17 feet and was only stopped by the wall that it kept hitting because it continued to drive in a rightward direction. BroBro tried to remedy this by setting it off on the neighbors sidewalk but quickly realized that this just wasn’t going to work the same way as it did on the hardwood floors.  He learned that although pavement looks smooth, on closer observation, it is quite rough and this hinders how fast and far small lego wheels travel.

BroBro has brought the car to me several times the last couple of days, so he is eager to try it out again.  Next time we need to try a different model to and see how it compares.



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