Bonus Puzzle #3: Trunkyard

This was the hardest of all of the bonus games for me...not for you of course if you are reading this!
The problem is that the directions say, "no overlap".  There is plenty of overlapping because the pieces do not fit together well.  If you look at the slingshot, it overlaps pretty much everything!

All you need to do is drop in the compass.

I am embarrassed to say this is the only one I used a hint (both of them) on to complete.