The "Tops Basic set" contains all you need to play duplicate (matchpoints) with your friends. Four decks of cards, 8x16 deals with results, score sheets etc., all served in an elegant looking box. When you have played the included deals you can purchase refills. All deals are taken from real, high level competitions and contain actual results. There are additional refills to buy separately, each containing 2 x 16 deals with scores (and score sheets).