MatrioshkaThree intersecting circles with one embedded in another.
Matrioshka 2Two intersecting circles with three possible turns.
Melting MysteryThe pieces of Snow Mystery split in two. A shape changing variant of Tricky Disky with six arms.
MimosaTwo intersecting circles that return with steps of 2 and 5 with very deep intersectins beyond the centres of the circles.
MintakaTwo circles intersecting in a doctrinaire fashion with four steps each and with vastly different radii.
MiraThree intersecting circles, two are fivefold, one is twofold.
MizarFour circles of which two could form a doctrinaire puzzle despite a fivefold rotation.
MoonshineA two-dimensional, deeper-than-origin, shallower-than-corner doctrinaire twisty puzzle. Or two intersecting circles with twofold or fivefold rotation.
Mozaika IInvented, produced, and marketed by Rudolph Destics. Patented in USA in 1996. Came in a variety of colour configurations.
Mozaika IIInvented, produced, and marketed by Rudolph Destics. Patented in USA in 1996. Came in a variety of colour configurations.