Flowing water or rolling marbles are making their way from top to bottom. A small dam brings the marble to stop and bring the water to overflow. Small holes on the sides are suitable for small sticks or flowers to make the road even more creative. Includes 7 marble courses of wood; 4 wooden plates; 1 cork stopper; 3 marbles from wood and glass. Measures approximately 2.95" H (thickness) x 19.88" L x 5.70" W. Ages 3 and up.