Connect colorful tubes, chutes and bases together in different ways to create an infinite number of raceway configurations. As the marbles speed through the course, children learn about the laws of physics, gravity, object permanence, and cause and effect. The award-winning Marbleworks Marble Run products inspire girls AND boys to pursue higher education in the STEM fields of engineering, math and technology. Made of High Impact Polystyrene, which is durable, impact resistant, and produces a nice glossy look. Colors may vary. BPA Free. Includes: Standard Ramp Bumper Ramp Paddle Wheel Ramp with paddle wheel Jump Chute Landing Ramp Funnel Ramp Snake Ramp Maze Ramp Split Track StartGate/Funnel Gate Finish Gate 5 Bases 30 Posts 10 Marbles from 5 years and up Benefits Foster creativity and experimentation. Promote visualization, spatial thinking skills, and logical reasoning ability. Understand the concept of object permanence, as marbles travel in and out the tubes. Develop hand-eye coordination and visual tracking skills. Awards Dr. Toy's 100 Best Classic Toys Dr. Toy's 100 Best Toys