From the box:

"Kids try to guess their opponent’s secret card and discover tons of cool creatures along the way from a Boa Constrictor and Bottlenose Dolphin to a Komodo Dragon! Played like 20 Questions, our game features 160 photo cards with fun facts on back like each animal’s size, diet, habitat and more. Kids just ask yes or no questions until they identify the other player’s animal and win the game! With two 11" game stadiums that hold the cards in place as children play."