STURDY TIGHT-FIT PIECES – This construction kit is designed to fit together snuggly so your marble maze won’t fall apart while you play.
GLOW-IN-THE-DARK MARBLES – The marble run kit includes 8 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 with 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