With initial text problems and playfully designed puzzles, children train their logical thinking, grasp mathematical relationships, and practice calculations up to 20 – all the skills they need for the subject of mathematics. They become number detectives on a quest for clues, solve puzzles involving money and time, navigate through a haunted castle, and tackle Sudokus and logical challenges. This clever puzzle fun is aligned with the mathematics curriculum. Practicing becomes truly enjoyable – and it happens effortlessly while solving riddles and puzzles!.