National Geographic Glowing Marble Run – 80 Piece Construction Set with 15 Glow-in-the-Dark Glass Marbles, Mesh Storage Bag and Marble Pouch,

The National Geographic Glow-in-the-Dark Marble Run is a phenomenal construction activity kit for kids! This 80-piece set has everything you need to create incredible marble runs that will have your glowing marbles racing toward the finish line!Inside the kit:- 15 glow-in-the-dark marbles in 5 different colors- A UV keychain light to help your marbles glow brighter, longer- 45 clear, smooth-run tube pieces- 15 action pieces that fit securely together, so you can be sure that your marble run maze won’t fall apart when you play.- Full color detailed learning guideConfigure the pieces in any design you’d like - the possibilities are endless!The detailed learning guide has lots of information about the physics of motion and gravity, so you can learn while you play! And when you’re all done, a convenient mesh storage bag is included so you can keep all your marble run pieces stored together.National Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence.About the National Geographic Society: With a mission to inspire people to care about the planet, the 126-year-old National Geographic Society is one of the world's largest nonprofit scientific and educational organizations.National Geographic’s net proceeds support vital exploration, conservation, research, and education programs.