108pc 2-in-1 Magnetic Marble Run Set & Racing Track Set - Picasso TilesEquipped with 10 distinctive parts in multiple quantities including columns, slopes, 2 x centrifugal funnels, u turn, and many others allows designs of multi layer 3D tall maze race track structure that enable children to focus, pay attention, and utilize their imaginations using the creative shapes and pieces to develop the logical sense and combinations required to make the marble run through the path the and maximize the pretend play fun.