Solarbotics Perpetual Motion Marble Kit $32 at ThinkGeek $32 $35 Today only. ThinkGeek has the Solarbotics Perpetual Motion Marble Machine Kit for $35 - 29% off with coupon code FROGGER [Exp 2/29] + $7 shipping = $32 shipped. This DIY kit has everything you need to build a machine that moves marbles up and down a twisty slide with solar power. $32 retail: $35 Report Posted by AgentK02/29/2016 at 11:16 AM PT
Comments & Reviews (1)
Thank you!