COIL Hanayama Cast Metal Brain Teaser Puzzle (Level 3)

BePuzzled |Coil Hanayama Metal Brainteaser Puzzle Mensa Rated Level 3, for Ages 12 and Up

BePuzzled |Box Hanayama Metal Brainteaser Puzzle Mensa Rated Level 2, for Ages 12 and Up

BePuzzled | Diamond Hanayama Metal Brainteaser Puzzle Mensa Rated Level 1, for Ages 12 and Up