Magnetic puzzle
Magnetic wheel puzzle
Manipulative challenge
Manipulative game
Method and apparatus for constructing pyramid
Method of forming a device for viewing composite designs
Method of producing a puzzle
Mobius strip puzzle
Moebius ring puzzle
Multi panel visual device
Multi-dimensional sculpture puzzle/toy
Multi-panel maze puzzle
Paper folding game for spatial puzzle
Play device to match up data or designs
Puzzle amusement device
Puzzle apparatus
Puzzle composed of concentric rings
Puzzle game
Puzzle game
Puzzle game apparatus and method