Copper OrbA CADed relative of the "The Orb" with three rows of marbles instead of four.
D-TurnCombines the well known cylindrical moving hole puzzle with an enhanced version of Connect-4.
DoppelkreisA derivate of the hungarian rings with less marbles in only two colors. It resembles the original patent from 1893!
Figure EightA derivate of the Hungarian Rings from the soviet era.
Five CirclesFive separated circles with 17 marbles each. Connected by two giant concentric circle.
FlowerBring the marbles back to the circle of their colour.
Golden OrbA CADed relative of the "The Orb" with six rows of marbles instead of four.
HeartacheA puzzle with sixteen moving marbles. It came out three years before Ernö Rubik invented the cube.
Hungarian RingsGroup the four colours to solve. Alternative names: "Doublering" or "Zweiring"