Arancia MeccanicaA moving bead puzzle with seven colors of beads, and a base that resembles an orange.
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.
RotosEast german puzzle of overlapping disks.
Rubik's ShellsA puzzle with four, three or two wheels. Depending on the configuration.
V-SphereSix rings of pieces on a sphere, paired and perpendicular to each other. A puzzle with intersecting rings and one missing piece.