Multi-channel game puzzle with movable base
Multi-cube puzzle
Multi-cube puzzle
Multi-faceted puzzle toy
Multi-faceted solid geometrical puzzle toy
Multi-player, multi-character cooperative play video game with i
Multi-stable mechanical device employing compacted rods or disks
Multicolored globe adapted to make combinations between colors o
Multifunctional cylindrical sliding block jigsaw puzzle
Multiple maze game
Multiple maze game
Multistable mechanical switching device
Musical puzzle toy
Musical puzzle using sliding tiles