Puzzle having tiles transferable between casements connected in
Puzzle or game having token filled track and turntable
Puzzle pen
Puzzle solving aid and method
Puzzle solving aid and method
Puzzle toy
Puzzle toy
Puzzle toy
Puzzle toy
Puzzle with a toroidal channel engaging a plurality of toroidal
Puzzle with elements transferable between closed-loop paths
Puzzle with meshing gear sections
Puzzle with movable pieces
Puzzle with pieces having contrasting surfaces in relatively mov
Puzzle with rotatable blocks and face portions slidable therebet
Puzzle-cube
Puzzle-game utilizing movable discs to attain specified arrangem
Puzzles
Pyramid puzzle formed from tetrahedral and octaeder pieces conne
Pyramid puzzle system