Kozel Ovozel is an educational game designed for children in the first grade of elementary school. It is an entertaining way to improve their knowledge about fruits and vegetables. The game involves answering quiz questions while collecting fruits and vegetables in a cart. The player then delivers the cart to the school, but not without collecting some extra fruits and vegetables on the way. As a reward for correct answers, players can plant trees in Kozel's garden and earn different badges. The difficulty of the questions is adjusted according to the player's grade level. The game also offers occasional tips and educational insights into the benefits of fruits and vegetables to human health. Players can select their school from a list and compete with other schools for the top spot on the leaderboard. Kozel Ovozel is an entirely Czech game that is free to download and play, without any ads or in-app purchases.