Great anciallary product for diversifying your bingo revenue. Players can purchase their tickets any time during the bingo session. The operator draws 50 numbers randomly on the display board at the start of intermission. Give your players until the end of intermission to mark their numbers. Because players have time, they can purchase more tickets during intermission if desired. If there is no winner by the end of intermission the operator continues to draw numbers one at a time until a winner is declared. 500 cards per set with 2 tickets inside each card. Cards are serial numbered and sequentially numbered fo security and ease of sale. Includes second chance draw facility on reverse of card. Also available in a set of 1-1,000 cards. Australian made product.