Manipulable puzzle cube
Manipulatable game
Manipulatable puzzle toy
Manipulation puzzle
Manipulative amusement device
Manipulative amusement device
Manipulative challenge
Manipulative egg-shaped puzzle
Manipulative game
Manipulative puzzle
Manipulative toy
Manually assembled puzzle apparatus
Map puzzle game
Map puzzle having periodic tesselated structure
Marble-sequestering skill game
Marking member storage device for golf club
Matching puzzle with multiple solutions
Mathematical puzzle with prize release means
Matrix puzzle game
Maze