NATIONAL GEOGRAPHIC Glowing Marble Run STEM Building Toy - 250-Piece Construction Set with 50 Glow-in-The-Dark Glass Marbles & Storage Bag, Educational Gift for Boys & Girls Ages 6-12 | Fun Indoor Activity for Kids Birthday & Family Game Night (Amazon Exclusive)

National Geographic 250-Piece Glow-in-the-Dark Marble Run The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. This 250-piece marble run set has everything you need to create incredible marble mazes that will have your glowing marbles racing toward the finish line! A phenomenal and fun marble run construction activity kit for kids! The National Geographic 250-Piece Glow-in-the-Dark Marble Run Construction Set has everything kids need to create incredible marble runs that will have their glowing marbles racing toward the finish line! This Kit Includes: 50 glow-in-the-dark marbles; 1 UV light to help your marbles glow brighter, longer; 135 smooth-run tube pieces; 55 action pieces that fit securely together, so you can be sure that your marble run maze won’t fall apart when you play; 10 sturdy bases to build a stable structure; storage bag; and Learning Guide with instructions. Configure the pieces in any design you’d like - the possibilities are endless! The detailed learning guide has lots of information about the physics of motion and gravity, so kids can learn while they play! And when they’re all done, a convenient storage bag is included so you can keep all the marble run pieces stored together. The National Geographic 250-Piece Glow-in-the-Dark Marble Run Set is a super-fun way to explore construction, engineering, and physics! Order today! We make the highest quality hands-on science toys, and all products are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world's largest nonprofit scientific and educational organizations.

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. This 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 included Learning Guide inside teaches about the physics of motion and aerodynamics. 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!