Toysmith 37-Piece Marble Run 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