Perplexus Original - 3D Maze Brain Teaser Puzzle Ball is designed for children ages 6 and up to improve, refine, or develop focus, concentration, motor skills, hand-eye coordination, reasoning, and spatial thinking. Clear acrylic sphere puzzle with a rolling ball. Flip, twist, and turn the puzzle sphere to solve the puzzle. Three starting points for long-lasting challenge. Includes Perplexus puzzle sphere and display stand.