National Geographic Glowing Marble Run - 150 Piece Construction Set with 30 Glow in the Dark Glass Marbles, Mesh Storage Bag, Great Creative STEM Toy for Girls and Boys

STURDY TIGHT-FIT PIECES - This construction kit is designed to fit together snuggly, so your marble maze won’t fall apart while you play. With 9 sturdy bases, 26 exciting action pieces, and 85 clear smooth-run tube pieces, our kit has countless imaginative configurations GLOW IN THE DARK MARBLES - The marble run kit includes 6 different colours of glow-in-the-dark glass marbles that shine bright as they zig-zag down the marble run. Also Includes UV light to quickly recharge the marbles CONVENIENT STORAGE - A storage bag and marble pouch makes it easy to store your marble run construction pieces and glow-in-the-dark marbles in one place GREAT STEM TOY - The learning guide inside teaches about the physics of motion and aerodynamics. It also includes marble run construction experiments HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!, Manufacturer: Blue Marble