B100 Crazy Action Contraptions

B100 Crazy Action Contraptions is an instructions book developed by Klutz. There were 10 different models you could make. Five of them you could make from the 61 TECHNIC pieces that came with the book and the other five you had to have some other basic LEGO pieces. It was published by Klutz in 1998.
Category:1998 books
Category:Idea Books
Category:Numberless sets