150 piece challenging puzzle with multiple solutions of color arrangement. Solve to show 12 solid color pentagons, 12 solid color hexagons, color gradation from top to bottom, or any color arrangement. When assembled the puzzle is a replica of the Carbon-60 molecule which has been named "buckyball" after the inventor Buckminster Fuller whose architectural structures (geodesic domes) were often often based on hexagons and pentagons.