Sumind 4 Pcs 3D Puzzle Maze Ball Magic Brain Teasers Games Memory Sequential Gravity Maze Cube Ball Sphere Educational Puzzle Toys for Adults Teens Hard Challenges(Blue Orange)

[3D Maze ball set: there is a set of 4 maze balls in 2 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: the blue and orange maze puzzles correspond to difficult and simple game levels so the steel balls inside are relatively small; Different difficulty levels can meet the needs of various players from teens adults to the elderly and never be out of date Safe to use: the shell of the maze puzzle ball is made of non-toxic plastic without a smooth surface while the tiny steel balls are confined in a transparent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]