NATIONAL GEOGRAPHIC Glowing Marble Run – 250 Piece Construction Set with 50 Glow In The Dark Glass Marbles & Storage Bag, STEM Gifts for Boys and Girls, Building Project Toy (Amazon Exclusive) - JMW Sales, Inc., NGMRGID250

• UPC   816448027000
• STURDY TIGHT-FIT PIECES – This construction kit fits together snuggly, so your marble maze won’t fall apart while you play. With 10 sturdy bases, 55 action pieces, and 135 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 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 aerodynamics. 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!, Manufacturer: JMW Sales, Inc.