Multi-dimensional puzzle

Multi-dimensional sculpture puzzle/toy

Multi-faceted puzzle toy

Multi-faceted solid geometrical puzzle toy

Multi-function puzzle

Multi-layer puzzles

Multi-layered decorative puzzle apparatus

Multi-layered educational and entertaining device including a pl

Multi-layered puzzle

Multi-panel maze puzzle

Multi-picture puzzle apparatus

Multi-piece 3-D structure of an image with releasable...

Multi-player, multi-character cooperative play video game with i

Multi-polyhedral puzzles

Multi-stable mechanical device employing compacted rods or disks

Multicolored globe adapted to make combinations between colors o

Multidimensional puzzle

Multifunctional cylindrical sliding block jigsaw puzzle

Multilayer puzzle

Multilayer three dimensional puzzle