NATIONAL GEOGRAPHIC Glowing Marble Run – 250 Piece Construction Set with 50 Glow In The Dark Glass Marbles, Mesh Storage Bag, Great Creative Stem Toy For Girls & Boys

The National Geographic Glow in the Dark Marble Run is a phenomenal construction activity kit for kids!This 80-piece set has everything you need to create incredible marble runs that will have your glowing marbles racing toward the finish line!This Kit Includes:- 15 glow-in-the-dark marbles in 5 different colors- 1 UV keychain light to help your marbles glow brighter, longer- 45 clear, smooth-run tube pieces- 15 action pieces that fit securely together, so you can be sure that your marble run maze won’t fall apart when you play- 5 sturdy bases to build a stable structure- A full color detailed learning guideConfigure 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 you can learn while you play! And when you’re all done, a convenient mesh storage bag is included so you can keep all your marble run pieces stored together.National Geographic Toys makes the highest quality hands-on science toys, and all products are backed by exceptional service.About the National Geographic Society: 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. 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 mesh 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
SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you