The Marble Run contains curved tracks, ramps and chutes that fit together in countless variations. Once the course is assembled, drop the marbles in and watch them go.*This set contains thirty-seven (37) plastic pieces of various shapes (curves, ramps and chutes), and fifteen (15) marbles.*Components are easy to assemble, and made with small hands in mind.*Sturdy plastic construction resists wear and stands up to hours of play.*Assembly instructions included.*Challenge your children's imaginations and keep them active with Toysmith.*Committed to providing the most imaginative toys along with the highest safety standards, Toysmith has toys appropriate for all age groups.*Toysmith offers toys for any kind of play: active play, science and discovery, arts and crafts, impulse and novelty toys, and nostalgic retro classics.*Includes 37 pieces of connecting marble run sections to build endless variations*Includes 15 marbles to run through your unique marble run course*Easy to assemble, bright, colorful sturday plastic pieces to create your own course.