The National Geographic Glow in the Dark Marble Run is a 115-piece set has everything you need to create incredible marble runs that will have your glowing marbles racing toward the finish line!This kit includes:
25 real glass marbles that glow in the dark
A UV keychain light to help your marbles glow brighter and hold that lasting glow longer
53 smooth-run tube pieces
31 securely fitting action pieces
5 sturdy bases for a stable foundationThe pieces are easy to pack and store in the handy drawstring storage bag, keeping your fun all in one place!A detailed learning guide with set-up instructions and activities has lots of information about the physics of motion and gravity. You can learn while you play!Configure the pieces in any design you’d like - the possibilities are endless!For Ages: 8+WARNING: Choking Hazard; Small Parts. Not for children under 3 years old.