- There are endless ways to construct your marble run, providing hours of fun for your kids!
- 41 construction pieces that fit snugly together
- 6 glow-in-the-dark marbles
- Use the included UV light keychain to charge your glow-in-the-dark marbles, then turn off the lights and watch them race to the finish line!
- Comes with a storage bag for all your pieces
- Compatible with all other National Geographic Marble Run sets
What's in the box
This 50 piece set has 41 construction pieces, 8 marbles, a UV keychain light, and a mesh storage bag