Marble Genius Marble Run Super Set - 150 Piece SetThe Marble Genius Marble Run Super Set includes 150 pieces for exciting play, including 26 action pieces and 15 glass marbles! This vibrant marble run comes with 85 translucent pieces that allow you to see the marble action from top to bottom as the 15 glass marbles make their way down the set. The solid plastic pieces allow for easy use by young kids and adults. Marble runs allow for almost infinite possibilities for assembly from the very simple to