Think Fun ThinkFun Fidgitz Twisty Brainteaser Puzzle - Perfect for Silent Fidgeting, Combines a Fidget Toy with a Puzzle, Blue/White (5830)
This three dimensional mechanical puzzle begs to be picked up, and may be impossible to put down. Fidgitz twists and turns in a unique fluid motion that will mesmerize players for hours. Your goal is to twist and manipulate the puzzle until one side is all Blue and the other is all white. It's a challenging brainteaser and a fidget toy all in one.