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Fat Brain Toys Ivan's Hinge
Folding, looping, bending, twisting, turning brainteaser you won't be able to put down
Pick out one of the 56 challenge cards, study the image
Brain-busting fun for all ages 8 and up, high quality construction and materials for lasting durability
Invites curiosity, logic, determination, strengthens visual-spatial skills, fine motor manipulation skills, etc.
Winner of parents' choice recommended award, major fun award for puzzles
Fold, loop, bend, twist, and turn to find a solution patterned challenge cards invite curiosity, logic & determination, visual spatial skills, brain stimulation, and relaxation. Created by famed puzzle creator Ivan moscovich, this puzzle is sure to excite .