Blue Marble NATIONAL GEOGRAPHIC Glowing Run – 150 Piece Construction Set with 30 Glow in the Dark Glass s, Mesh Storage Bag, Great Creative STEM Toy for Girls and Boys

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 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
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