Watch your child develop their imagination, plus problem-solving, spatial and reasoning skills while playing with this wooden marble run set. Features three gutters that take your marbles around the outside of the colored blocks on their way to the bottom, plus a wooden spiral that creates more run-time. The marble catcher makes a whirling noise and stops marbles from running away at the end of each run. Includes 44 pieces for tons of building possibilities, plus 50 marbles. Compatible with other Quadrilla marble run sets. For ages 4 and up.