All your nephew Don wants for Christmas is his two front teeth. Just kidding. He rattled off a full list of toys and games in his letter to Santa\, but you want to get him something that far surpasses any of those—a present that stimulates his curiosity and keeps him occupied for hours. Invented by famed puzzle creator Ivan Moscovich\ Ivan’s Hinge invites players to fold\ loop\ bend\ twist\ and turn their way to find a solution. Created by a genius—and likely to spark genius in little Don\ too."
Includes 1 Ivan’s Hinge Puzzle and 56 Challenge Cards. Recommended for ages 8+. Approximate dimensions of individual pieces: L 9\ W 2\"."