About this 3D model

This object was made in Tinkercad. https://www.tinkercad.com/things/jxUtj4abfug hey guys i am an 11 year old australian who experiences very hot summers therefore in australia we have lots of summer toys. The one that i am sending you today is a paddle boat (that actually paddles with assembly and rubberbands) that looks like a steam boat. The mechanism is fairly simple to design and make.I tried out for this challenge as i knew i might have a chance. The picture for this is a working design the only thing was that the boat details werent made then ASSEMBLY put the 2 identical pieces together they should have a fairly tight fit next get a rubber band and put it in each hole then tie it off at both sides. after securing rubberbands put the paddle in between the rubber band each sting on the rubber band must be opposite then wind up as far as you like then put in the water and release should work very well enjoy