this is my cube collection
6X6X6 & UP
The first mass produced 6x6x6. A six layered cube.
The first 7x7x7. A seven layered cube.
Tony Fisher's version. Handbuilt from a 5x5x5.
Essentially a Deeper cut megaminx at heart, the Pyraminx crystal adds a new twist to the classic puzzle.
The black 1981 Meffert version.