XYNGU Marble Run Building Blocks,Classic Large 32.00 cm x 39.99 x 10.03
Practice children’s construction, space thinking, imagination and creativity, concentration, hands-on ability. 【Ideal STEM Toy Gift】Perfect for boys and girls, this set is designed to be educational and entertaining.
National Geographic Marble Run with 9.21 x 2.2 x 6.18 inches, 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!