The concept of this design aims to connect the "retro" vibe with young reader through the use of Voxel art style and the bold color to enhance the game-inspired visuals (Minecraft).

The uniform is in blue and white because the colors often associated with integrity and professionalism which reflect the qualities of baseball legends. The phrase "For Kids" is in bright yellow color to convey the youthfulness and happiness, reinforcing that this book is meant to be fun and approachable.

This design has a more simple and earthy feel, emphasizing the field and player's interaction with the baseball diamond. The visual elements used are minimal, with a large baseball field background and clean composition, making this design easy to understand and immediately directing attention to the players.