Color Exchange20 pieces on two separate rings and one moveable plunger.
Columbus TojàsA puzzle in the line of the Space Massager or the Leesho.
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!
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.
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.