Do you want to train your brain but have fun at the same time? Do you want to improve your problem solving skills, spacial awareness and critical thinking skills? Brain Trainer presents their new large-print collection of 3D mazes! It's guaranteed to give you hours of puzzle solving fun & entertainment, ranging from easy to extreme. For any mazes too difficult, there are solutions provided at the end of the book so there's no need to stress! This book contains: Mazes specifically designed for kids ages 9 - 1236 Different MazesNEW NEVER before seen 3D mazes including: Climb the 3D Stairs mazeClimb the 3D Building mazeNavigate through the 3D Diamond maze The end result of talented designers collaborating with a team of developersMazes printed in COLOR