National Geographic Glow-in-the-Dark Marble Run

Let your construction creativity run wild!

Detailed learning guides inside teaches the science of gravity and motion

*Explore the world of engineering, gravity, and motion.

*41 marble run construction pieces, 8 glow-in-the-dark marbles, and a UV light keychain. Together equals the 50-piece count

*Comes with a storage bag to keep all your pieces together

*Compatible with all our other marble run sets so you can build even bigger

Kit Includes

41 Construction Pieces

8 Glow-in-the-Dark Marbles

1 UV Light Keychain

1 Storage Bag

1 Learning Guide with Instructions

 Ages 8+