***MISSING PIECES -SELLING AS INCOMPLETE PARTS ONLY*** NATIONAL GEOGRAPHIC Glowing Marble Run – Piece Construction Set with 30 Glow in The Dark Glass Marbles & Storage Bag, STEM Gifts for Boys and Girls, Building Project Toy

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• 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 - This marble run kit includes 30 glow in the dark glass marbles in 6 colors! Kids will love watching them glow as they zig-zag down their custom tracks!
• 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!
• AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!