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. Has a puzzle been solved? The next challenge is already waiting! The Logic! CASE Extension Sets are the perfect way to easily and flexibly build on the Starter Sets based on the main theme and with new difficulty levels. The excitement continues!