This 80-piece Marble Run set makes a great birthday or holiday gift. The plastic building pieces come in various shapes with 30 colored marbles. Plastic pieces include ramps, tubes, funnels, and flippers for fun and complex creative designs. Two of the funnels are start funnels where marbles can begin their course. All building pieces are either solid orange, red, blue, green, yellow, or purple. Run materials are made of high-quality, nontoxic plastic materials and are designed to withstand numerous constructions and marble races.