The above dice were found in The Burnt City in Iran along with backgammon board from a 5000 year old civilisation. - http://www.payvand.com/news/04/dec/1029.html
Chess, Go, Checkers and Backgammon are well known games that have existed in various iterations for hundreds, if not thousands, of years. Even 5000 year old dice have been found. Showing that contemporary six-sided dice haven't changed for millenia. What is it about these games and gaming paraphernalia that lasts for so long?
The oldest known game is Senet an ancient Egyptian boardgame thathas been dated to 3500BC. Unfortunately there has not been a complete set of rules found for the game.