My kids absolutely love the game Mastermind. We've had this game for about 10 years. We actually two sets. We gave one to Marygrace for Christmas so she can take it back to college next month. With 6 kids still at home, one game just doesn't seem to be enough since all 4 teenagers want to play at the same time. I might just have to buy another one when Marygrace leaves, but that's ok. This is such a great educational game and it's definitely worth the money.