1000 billion BarrelA custom built bigger version of the ten billion with more layers, more columns and more knobs.
American TrapA puzzle very similar to "Entrapment" aka "Magic Marble" but with four columns per layer.
Arancia MeccanicaA moving bead puzzle with seven colors of beads, and a base that resembles an orange.
AstrolabacusA unique ball puzzle. Sold in small quantities online.
BoobyA korean clone of the Top Spin.
Briansk ringsAnother derivative of the hungarian rings produced in the USSR.
Cmetrick9 spheres arranged in a 3x3 square. Spin rows and columns to position them in the same orientation.
Cmetrick TooEach of the four spheres has to have its own color.