Pirates 'n Plunder is a game of "Adding/Subtracting Fractions for Fun!" From Publisher Site: Using our original Fraction Ladder, players quickly solve fraction problems with addition and subtraction. Then using these answers, they try to build runs of their marbles for bonus points or to block their opponents' runs. If they plunder (surround) an opponent's treasure chest or include a treasure chest in a run, they score extra points. A fun way to practice adding and subtracting fractions with lots of strategy! There is a wood board version, and a Masonite board version that be used with crayons or water-based overhead markers. Wooden Version Includes: - 12" x 12" x 3/4" Birch Game Board - 80 Glass Marbles (4 colors). - 4 Marble Trays - Dice - Directions - Game Box Masonite Version Includes: - 11" x 11" x 1/8" Masonite Board - Dice - Directions