This sphere-shaped cast metal brainteaser puzzle represents a planet and its surrounding ring.*University Games has been creating educational board
BePuzzled Equa Hanayama Metal Brainteaser Puzzle
Hanayama Chain Puzzle
Bepuzzled University Games Hanayama Cast Metal Brainteaser Puzzle
Hanayama Chain Puzzle
Bepuzzled EQUA Hanayama Cast Metal Brain Teaser Puzzle (Level 5
Hanayama Puzzles Level 5
SPIRAL Hanayama Cast Metal Brain Teaser Puzzle (Level 5)
BePuzzled Hourglass Hanayama Cast Metal Brain Teaser Puzzle (Level
Buy Bepuzzled EQUA Hanayama Cast Metal Brain Teaser Puzzle (Level
COIL Hanayama Cast Metal Brain Teaser Puzzle (Level 3)