Amazon.com: Project Genius Pyraminx Crystal- Limited Edition, 50th Anniversary Clear Edition of Pyraminx, Speed Cube, One-Player Games, Twisty Puzzle, Brain Teasers, Multi-Color, Puzzle Cube, Gift for Children : Toys & Games
Meffert's Pyraminx Crystal - - Fat Brain Toys
Mefferts Pyraminx Crystal kaufen - kubekings.de
Got a Pyraminx Crystal recently (Probably one of the last ones to ever be sold.) and solved it. Turns surprisingly well for a deep cut puzzle, and the solve is reasonably fun. :
File:Pyraminx crystal white star.jpg - Wikimedia Commons
TwistyPuzzles.com > Museum > Pyraminx Crystal
Pyraminx Crystal - Recent Toys
Pyraminx Crystal Set - MasKeCubos
Pyraminx Crystal Puzzle: A classic combination puzzle with a clear case.