Get ready to roll with Yahtzee: Marvel Ultron Edition, a special collector's edition of the classic 1956 parlor game Yahtzee. The game that uses both luck and strategy now features a model Ultron head dice cup to shake and roll your dice! The Ultron head stores 5 custom Avengers dice.Yahtzee: Marvel Ultron Edition is perfect for one or more players, ages 8 and up.