From Outdoor Discovery comes a pack of 4 reusable outdoor bingo cards. Each card holds 24 unique slots with one free spot in the middle. Just slide the windows closed to mark a spot. Spots are themed for different animals, plants, and elements of nature, like trees, mushrooms, bats, and more. Each pack includes 4 cards in assorted colors with sliding plastic windows. An assortment of 12 4-packs come in a 7.09 x 5.7-inch bright green display case.