There were 3 main parts that were made in Solidworks. The paddle wheel, motor holder, and axle holder. Wheels were also made in Solidworks, but we made them according to the size of the boat, which was relatively small. We decided to add ping-pong balls to help keep its buoyancy in the water, and it did help.

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In the end, our boat/car didn't do well on the land test. However, on water the boat/car did great! We came close to winning, but overall I am satisfied with it's ability to move in the water. 

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On land, not so much.