This is a challenging 3D Labyrinth Maze Ball contained within a sphere! Inside you'll discover a ball and over 10 feet worth of track containing 100 challenging barriers. Your goal is to keep the ball on the track without it falling off. Flip twist & spin your way to the finish line! It is easy-to-use, but hard to master. Excellent for hand-eye coordination and working on patience. This sphere is just fun and thought-provoking as well. This is a great toy for kids and adults. Challenging but fun, you will not be disappointed with this maze ball!