Make learning fun with this Discovery Mindblown Glow Roll Marble Run Light-Up Construction Set. FEATURES: EXHILARATING MARBLE RUNS: Build the ultimate marble races with this 92-piece construction set, designed to allow the racing of multiple marbles simultaneously for thrilling competitions., ENHANCED PLAY WITH LED LIGHTS: Illuminate your marble runs with LED light-up marbles, tiles, and spotlights, adding a spectacular GLOW that keeps the excitement going even in the dark., CREATIVE BUILDING OPTIONS: Experiment with drops, spins, jumps, and more to create daring stunts and intricate tracks for exhilarating races., EASY BUILDING SYSTEM: Innovative building tiles designed to snap into place ensure easy construction with more durability and stability than other marble run sets., INTERACTIVE STEM LEARNING: Foster a love for science and engineering through hands-on play in children ages 6 and up., PLAY & LEARN: At the intersection of inspiration, curiosity, & STEM-based edutainment, our toys help spark the imagination & promote the development of science, technology, engineering & math skills. WHAT'S INCLUDED: 31 Single Tiles, 8 Triple Tiles, 7 Base Stands, 3 180 Degree Turn, 8 90 Degree Turn, 1 Curve Ramp, 1 Curve Turn, 6 Short Straight, 5 Long Straight, 3 Straight Ramp, 3 Jump Pieces, 1 Starter, 1 Spinner, 1 Spinner Top, 3 Circle Drop, 2 Led Marbles, 4 Non-Led Marbles, 2 Led Tiles, 2 Led Lamps. DETAILS: Age: 5 years & up, Assembly required, 12, AG10, Included, Spot clean, 13in x 2.5in x 17in, 49% Clear Acrylonitrile Butadiene Styrene, 31% Polypropylene, 1% Metal, 16% Printed Circuit Board Assembly, 3% Battery, 1017875, Imported, No warranty. Size: One Size. Color: Blue Green Orangeclear. Gender: unisex. Age Group: kids. Material: NONE.