Noun
English Wikipedia has an article on:MegaminxWikipedia
Megaminx (plural Megaminxes)
A puzzle similar to a Rubik's Cube but shaped like a dodecahedron
Some such shapes include the tetrahedron ( Pyraminx ), the octahedron ( Skewb Diamond ), the dodecahedron ( Megaminx ), the icosahedron ( Dogic ). Source: Internet