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Intersecting Rings
Arancia MeccanicaA moving bead puzzle with seven colors of beads, and a base that resembles an orange.
Digit Rotations20 pieces on two intersecting rings.
DoppelkreisA derivate of the hungarian rings with less marbles in only two colors. It resembles the original patent from 1893!

Double DiskA puzzle with four rotating intersecting circles.
Hog Wild Double Think Binary RingTwist, slide and rotate puzzle pieces.
Leesho (3 layers)Three layers and one orthogonal ring of moving tiles.

Leesho (4 layers)Four layers and one orthogonal ring of moving tiles.
RotosEast german puzzle of overlapping disks.
Rubik's ShellsA puzzle with four, three or two wheels. Depending on the configuration.

Unknown Doubled EquatorAn unknown puzzle originating from the soviet union.

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