Coming up with the solutions to these six exasperating metal puzzles will instantly qualify you for membership in Mensa. But don't feel bad if it takes you a while; even Einstein only solved five. They come in an attractive 10-1/8'' x 3'' wooden display box with felt lined compartments to store each puzzle, and a clear plexiglas cover that slides into place.

WARNING: CHOKING HAZARD. SMALL PARTS. NOT SUITABLE FOR CHILDREN UNDER 3 YEARS.