Rack-O is a vintage card game manufactured by Milton Bradley in 1966. The game is designed for 2 or more players aged 8 and up. The objective of the game is to arrange cards in ascending order in a rack. The game is based on strategy and requires players to plan their moves carefully. Rack-O has won the Games 100 award and is a popular family game. This particular set is missing cards numbered 40 and 60.