Sum-Up Tweet Out of stock. Wishlist Description 'Challenging Game of Creative Equations'Belongs to the 3M Gamette Series. - BoardGameGeek Details BGID: 3962 Time: 45 minutes Designer: Frederick A. Herschler PrimaryName: Sum-Up Players: 2 to 4 Year: 1971 Product Title: Sum-Up Family: 3M Gamettes Ages: 0 and up Publisher: 3M Category: Card Game
