A Admin Administrator Staff member Sep 23, 2009 #1 AP - Thirty years ago Erno Rubik took a puzzle he had been tinkering with and turned it into the must-have brain twister toy, the Rubik's Cube. More...
AP - Thirty years ago Erno Rubik took a puzzle he had been tinkering with and turned it into the must-have brain twister toy, the Rubik's Cube. More...
