🎢 Build, Play, and Race Your Way to Fun! Includes 6 vibrant marbles for thrilling races! Ideal for group play, fostering teamwork and collaboration! Encourages problem-solving and engineering skills! Expand your marble run with 34 versatile components! Designed for ages 3 and up, perfect for young builders! 6 Marbles 34 Components 40 pc. Set The CP Toys Build and Play Marble Run Accessory Set features 34 plastic components and 6 marbles, designed to enhance your existing marble run experience. Perfect for children aged 3 and up, this set promotes creativity, STEM learning, and social interaction through engaging play.