A Tom Kuhn SB-2 prototype known as Bamboo. Unusual coloring of copper, orange, and black. Made in 2013, the yo-yo's colorway was a prototype 1 of 3 test run that was never put into production. The yo-yo came in a display box with the Tom Kuhn The Art of Play booklet, certificate paper, carrying case, two weight rings, gap adjustment tool, Dr. Yo's linen Turbo Discs, and extra cotton string. Uses a size I ball bearing axle.
