Great Contraption Race at Riverworks on August 18 from 11am to 4pm.

The Great Contraption Race (GCR) is a fun, 2-person and 4-person team race starting at 10:00 AM on Saturday August 18, 2018 floating down the Buffalo River with a great after party at Buffalo River Works!

Contraptions must be able to float and the contraption can only be powered by human power, and or, a man made sail to float down the River.