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.
Balled BallA combination of a 2x2x2 with three rings of thirteen marbles.
BananacusA smaller variant of Astrolabacus with six segments but with six channels of beads.
BoobyA korean clone of the Top Spin.