This is the premium pack that includes full 30 different bingo cards, binary and denary with different designs. The website itself is free, however, hosting costs need to be paid so this is a revenue stream to help towards those costs. NOTE: As of 07/10/2021 - this resource is now complete, it contains the full 30 unique bingo cards in denary and binary format, for Easy, Medium and Hard difficulty. If you have purchased a copy of these cards before 07/10/2021 please redownload for the updated sheets.