The Logic. Case Starter Set 4+ offers the perfect introduction to puzzle fun for children. Colorful, challenging, and varied – these are the Logic. Case puzzle sets from HABA. The goal is to decipher and solve a variety of tasks. With the wooden pencil, the child can check their answer for correctness: Can the card be pulled out or not? The Logic. Case puzzles enhance motivation and the ability to solve problems independently. Mastered a puzzle? The next challenge is already waiting. Because the HABA Logic. Case Starter Set 4+ is compact and portable, it also provides exciting entertainment on the go. Additionally, the Extension Sets allow for the Starter Sets to be supplemented by theme and difficulty level.