a.k.a. Gear Mastermorphix
Designed by Oskar van Deventer, sold by Mefferts 2012.
(plastic, 3.25" high, each ede is 3.75";
yellow opposite orange, green opposite blue, red opposite purple)

Here are some sample moves:



Further Reading
Jaap's Page, from: http://www.jaapsch.net/puzzles/gearcube.htm