National Geographic Glowing Marble Run

The National Geographic 80-Piece Glow-in-the-Dark Marble Run Construction Set has everything kids need to create incredible marble runs that will have their glowing marbles racing toward the finish line! Configure 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 kids can learn while they play! And when they’re all done, a convenient storage bag is included so you can keep all the marble run pieces stored together.

Box set includes: 15 glow-in-the-dark marbles; 1 UV light to help your marbles glow brighter, longer; 45 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; 5 sturdy bases to build a stable structure; storage bag; and Learning Guide with instructions.