Marble Run Kit for Kids,Upgrade Maze 16mm 25 cm x 10 x 27
Upgraded 16mm Transparent Marble Run Set – Features larger 16mm tubes and marbles for clearer viewing and smoother rolling. The set includes 49 transparent components and 60 marbles (30 glass + 30 plastic).
Marble Run, 109 Pcs Maze Race Building Blocks Toy Game & STEM Colorful
Marble Run for Kids,135 PCS Maze Track Set – Educational Building…
VARIETY OF MARBLE RUN KITS-this marble run kit contains 75 marble building parts, 30 colorful balls and 30 glass marble balls. SAFE MARBLES FOR KIDS-The parts of this marble run are made of safe and high quality plastic, which is not easy to break.