National Geographic Glowing Marble Run 80 Piece Construction Set

GLOW-IN-THE-DARK MARBLES The marble run kit includes 5 different colors 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 mesh bag and marble pouch makes it easy to store all your marble run construction pieces and glow-in-the-dark marbles in one place Manufactured by NATIONAL GEOGRAPHIC. GREAT STEM TOY The learning guide inside teaches about the physics of motion and aerodynamics. It also includes marble run construction experiments RESPECTED QUALITY Providing children with the best educational STEM toys this kit comes with National Geographics 100% satisfaction guarantee STURDY TIGHT-FIT PIECES This construction kit is designed to fit together snuggly so your marble maze wont fall apart while you play. With more than 20 exciting action pieces and 45 clear smooth-run track pieces our kit has countless imaginative configurations