WR - Largest Pyraminx video- https://www.youtube.com/watch?v=pKVRV3jF2OM WR - Smallest Rubik's Cube video- https://www.youtube.com/watch?v=_pnm8LO7JWs WR - Smallest 7x7x7 video- https://www.youtube.com/watch?v=AzH87bEBsZY WR- Smallest Astrolabacus video- https://www.youtube.com/watch?v=qDAD6L71xDk The tiny 4x4x4 didn't work very well so I don't think I ever made a video of it. This is one of the puzzles I revealed at the 2014 Dutch Cube Day. Read about all my puzzles on my website- http://tonyfisherpuzzles.net Purchase the best twisty puzzles here- http://tinyurl.com/PuzzleStore