4 Pieces 3D Maze Ball Maze Puzzle Ball Magic Brain Teasers Games Sphere Educational Puzzle Toys Maze Puzzle Cube Ball for Adults Students Teens Hard Challenges Game Lover (Blue, Green, Rose Red, Gold)

3D Maze ball set: there is a set of 4 maze balls in 4 difficulty levels for option; Each cute maze ball is about 10 cm/ 4 inches in diameter, lightweight and compact for a comfortable grip and an easy carry, so you can enjoy this maze brain teaser game anytime, anywhere; Serving as a nice gift for friend and family

Challenging game: as a new type of puzzle game, the brain maze puzzles look simple, but are more difficult to pass; They are a nice helper for your brain training and brain growth; The spherical shape does not require set-up or battery installation, just flip the ball to the finish line

Function: These 3D maze ball toys need to observe the travel path and think about how to send the mini steel ball to the end; It is an educational toy that can cultivate your spatial cognition and logical thinking, improve your concentration and patience, relieve your stress and promote inspiration

Wide compatibility: each maze puzzle corresponds to difficult and most difficult game levels, so the steel balls inside are in different sizes; Different difficulty levels can meet the needs of various players, from teens, adults to the elderly, and never be out of date

Safe to use: the shell of the maze puzzle ball is made of non-toxic plastic without a smooth surface, while the tiny steel balls are confined in a transparent protective cover for safe play