NATIONAL GEOGRAPHIC Marble Run Bundle - Expansion Pack with 5 Glow-in-The-Dark Glass Marbles, 20 Constructionpiece, & UV Light Keychain, Great Creative Stem Toy for Girls & Boys | Toys & Games | Building Toys | Marble Runs | Sturdy tight-fit pieces – This expansion pack enhances your NATIONAL GEOGRAPHIC marble run with 20 additional construction pieces, designed to fit together snuggly so your marble maze won’t fall apart while you play, Includes 9 tube pieces, 9 action pieces, and 2 base pieces | Glow-in-the-dark marbles – add 5 new glow-in-the-dark glass marbles to your collection and watch them shine bright as they zig-zag down the marble run. | Uv Keychain light – a UV Keychain light comes with the expansion pack to help give your marbles the ultimate glow | Great STEM toy – the learning guide inside teaches about the physics of motion and aerodynamics. It also includes marble run construction experiments | Respected quality – providing children with the best educational STEM toys, this kit comes with National Geographic’s 100% satisfaction guarantee
Weight: 612.3492 g