About This

• STURDY, TIGHT-FIT PIECES - This construction kit is designed to fit together snuggly, so your marble maze won’t fall apart while you play. With 9 sturdy bases, 26 exciting action pieces, and 85 clear smooth-run tube pieces, our kit has countless imaginative configurations
• GLOW-IN-THE-DARK MARBLES - The marble run kit includes 6 different colors of glow in the dark glass marbles that shine bright as they zig-zag down the marble run. Also includes a UV light to quickly recharge the marbles
• CONVENIENT STORAGE - A storage bag and marble pouch makes it easy to store your marble run construction pieces and glow in the dark marbles in one place
• GREAT STEM TOY - The learning guide inside teaches about the physics of motion and gravity. It also includes marble run construction experiments
• HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!