Articulating joints bend hither and yon. Your hands fly out of boredom and into action while your mind follows right along. Manipulate the swinging, hinged pieces of Ivan's Hinge. What starts out as simple pleasure in flexing vivid pieces & sections leads to a head-scratching challenge when you attempt to match one of the brilliant pattern cards. Knit together a solution in your mind - Then, play it out by folding, looping, turning, and bending. All wrong? Untwist, unweave, unwind, and try it again! Finally, youll alight on a solution. Then, Aha! Another! After just a couple of successes, you'll be aiming to wrap your mind around a solution for every pattern card included! Match your creation to the pattern pictures once, and youll resolve to re-solve Ivans hinge again & again! It's an irresistible-fidgety toy and fast-forming fun all packed into one! Unhinge an adventure of tactile, brain-boosting excitement with the amazing, brilliant, and GENIUS Ivan's Hinge.