Colorful, challenging, varied – these are Logic! CASE puzzle sets! The goal is to decipher and solve a wide range of different puzzles. Children can check whether or not their answer is correct using the wooden pin. Can the card be pulled out or not when they put in their answer? This allows and motivates children to solve the problems independently. 77x colorful puzzles for one player promotes Logical thinking and concentration Perfect as a travel game  simple solution mechanism allows Children to check answers independently