User blog comment:Jimlaad43/Wiki user's Lego, K'Nex, Cardboard and Pullback Tournament/@comment-5687742-20140811173242/@comment-5801603-20140813173225

Iona to enter some. I'm currently, as in right this second working on a cardboard Kat 3 with wheels. I should be able to get a subpage up with a list by Monday of my best ones.