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Created by internationally-recognized puzzle inventor Ivan Moscovich, a former prisoner in Auschwitz concentration camp, Ivan's Hinge is the hardest puzzle we sell. And yet it remained one of our best sellers at 2012 homeschool conferences, purchased as often for brilliant spouses as it was for know-it-all teens. The design is ingenious, yet simple. Just choose a card, then fold, loop, bend, and twist Ivan's Hinge to match the pattern - that is, if you are able to. The cards can be solved, but they require some serious visual - spatial skills, while the articulating joints make Ivan's Hinge an irresistible combination of perplexing puzzle and soothing fidget toy. Ivan's Hinge includes not only the brightly-colored hinged manipulative but also fifty-six colorful challenges printed on sturdy cards.
Another outstanding component of Timberdoodle's Twelfth Grade Core Curriculum!
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Features
• Fold, loop, bend, twist, turn- to find a solution!
• Patterned challenge cards invite curiosity, logic & determination
• Brainteaser & mind-builder - refines visual spatial skills
• Created by famed puzzle creator Ivan Moscovich
• Ideal for brain stimulation and relaxation
• Appeals to a wide range of ages
• 1 Ivan's Hinge Puzzle
• 56 Challenge Cards
Publisher: Fat Brain Toys
Made in: China
ISBN: 182129000601
 CHOKING HAZARD - Small parts. Not for children under 3yrs.
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