DoppelkreisA derivate of the hungarian rings with less marbles in only two colors. It resembles the original patent from 1893!
Dual LoopsTwo intersecting rings with one or two independent rings depending on the circle in the middle.
Duplex 3Two circles of marbles that would not intersect if it weren't for the twist of the Duplex puzzles.
EntrapmentA strange puzzle with moving marbles that came in two different versions.
Five CirclesFive separated circles with 17 marbles each. Connected by two giant concentric circle.
FlowerBring the marbles back to the circle of their colour.
Game 7Six numbered pieces in two intersecting rings.
Golden OrbA CADed relative of the "The Orb" with six rows of marbles instead of four.
Golovolomka-8A derivate of the Hungarian Rings from the soviet era.
GrenadeLooks like a Space Massager with three layers and black body.
HeartacheA puzzle with sixteen moving marbles. It came out three years before Ernö Rubik invented the cube.
HelilabacusA variant of Quartolabacus with drilled paths.