Blue Marble RTNGMRGID50 National Geographic Glow-in-the-Dark Marble Run

Watch curiosity light up with the Blue Marble National Geographic Glow-in-the-Dark Marble Run! This 50-piece set includes 41 interlocking construction pieces, 8 glowing marbles, a handy storage bag, and a UV light keychain to keep the fun glowing bright. Kids explore physics concepts like motion and gravity through hands-on play with countless build options, sparking creativity and learning. It’s designed for endless hours of joyful discovery and excitement as marbles race and glow through every twist and turn.