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Square-1 (5+ layers)
5 Layer Star PrismA custom made star prism with five layers.
5 Layer Super Square-1A puzzle made from the Super Square-1 with 5 layers instead of four.
6 Layer Super Square-1A puzzle made from the Super Square-1 with 6 layers instead of four.

Big Ball3 (!) Super Square-1s stacked upon each other and transformed into spherical shape.
C-18A five-layered variant of the C-10 puzzle. This is a cylindric Square-0.5 puzzle. Unlike C-10 it has five layers and does not behave bandaged.
Greenhill's 5 Layer Square-1A Square-1 transformation by Anthony Greenhill.

Professor Square-1A five-layered version of the Square-1 puzzle. With additional slices: 20 instead of 12.
Quirky CubeA puzzle which reminds one of the Square-1 but introduces a whole set of changes to the original set.
ZeppelinA Square-1 with 6 layers. The extensions are designed to transform it into the shape of a the namegiving aircraft.


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