National Geographic Marble Run with 11 cm x 28 x 30.5 cm, Multicolor
COMPATIBLE WITH NATIONAL GEOGRAPHIC MARBLE RUNS – Expand any National Geographic Glow-in-the-Dark Marble Run with this kit! All pieces, including the spiral lift, work seamlessly with existing sets (non-magnetic), so you can create even bigger runs!
National Geographic Marble Run with 11 cm x 28 x 30.5 cm, Multicolor
COMPATIBLE WITH NATIONAL GEOGRAPHIC MARBLE RUNS – Expand any National Geographic Glow-in-the-Dark Marble Run with this kit! All pieces, including the spiral lift, work seamlessly with existing sets (non-magnetic), so you can create even bigger runs!