Build your ultimate marble run and watch as your marble races against the others in this fun game of marble racing! Build tracks with twist, turns, chutes and funnels, then send your marbles speeding through for a frenzied race to the finish! Marbles go through tubes, around curves, do 360 degree turns, and whatever else you send them off to do when you build your path! Includes: 35 plastic tubes, 15 glass marbles and instructions. Great game for kids aged 5 and up.