Reward no longer available
DuoGraph. Includes the DuoGraph base, 16 gears, 3 penholder rods, 2 different penholders, linkage arms for Lissajous style patterns, 100 sheets of 5-3/4 inch paper, pens, tape, and a printed manual.
It's a way to bring creative projects to life.
Apr 29, 2016 - May 15, 2016