Stumbling Blocks Puzzle
One of the Coolest Puzzles On Earth! Looks so simple ... maybe not? We call it an adult-level puzzle. Could this be a training tool for thinking? Object: after quickly removing blocks from box and mixing, now try to get the four blocks back in the box. Yes, the top will be level and they do fit with NO force. This is one good challenge! Put the blocks back in the box square and flush in less than three days and you are a certified genius! Measures 4.75" x 4.75" x 2".