Building a Crazy Contraption? The Crazy Contraption Base is the ideal base for assembly. One needed per contraption.
What kind of contraption will you build? “Crazy Contraptions” is a thought-provoking activity that engages students in the design and construction of exciting and innovative Rube Goldberg style mechanisms. The comprehensive Crazy Contraptions Activity Guide facilitates the conceptualization, understanding and application of simple and complex machines.