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 10 sturdy bases, 55 exciting action pieces, and 135 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 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