As listed on FunAgain.com: Pearl Fisher is an elegant synergy of abstract strategy and memory games. The "pearls" are glass marbles. Move pearls and cover them with shells. Can you uncover the right color of pearl? Two game boards in one -- square grid on one side, a hex grid on the flip side. Beautifully handcrafted 11½-inch boards are laser-engraved. Three different game themes and three solitaire challenges. Contents: --3 sets of 9 pearls --9 shells --felt slipcase