Experience the thrill of building your own roller coaster with this Discovery Kids Marble Run Builder Set. With 92 pieces of high-quality plastic material, this set is perfect for kids aged 6 and above. The set features a glow-in-the-dark design that adds an exciting element to the building experience.

This retired set is a must-have for STEM enthusiasts and K'NEX collectors alike. The set includes a variety of features such as a marble run track, a buildable roller coaster, and a character family theme from Discovery STEM. The packaging comes in a box for easy storage and gifting purposes. Get ready for hours of fun and creativity with this Discovery Kids Marble Run Builder Set! Glows in the dark, creates race and performs stunts. Watch it on Science channel.