"Узоры" (Traceries)A variant of the famous "15" puzzle which allows endless beautiful patterns.
ОЛИДЮС (OLIDJuS)A puzzle made in the former Soviet Union. Even in that region a very rare item.
'Real' V-Cube 3A 5x5 bandaged and sanded into a 3x3 to make pieces like a v-cube 3 has in their patent.
1/0 VoidA Void Cube with four pieces cut away.
10-CylinderA puzzle in the tradition of Trikki-4 but with 10 layers.
100$ MugA mug with a puzzle in the style of a 15-puzzle. This one depicts a 100-USD bill.
12x12x12 (flat)The second 12x12x12 ever made and the first with flat surfaces.
12x12x12 (pillowed)The first working prototype to break the border (11x11x11) set by the Verdes patent.
17x17x17Also known as "Over the top". A puzzle made just because it is possible.
180 CubeThis 3x3x3 allows only halfturns for one axes. Another puzzle deemed impossible before.