Marbles for Marble Run

Cuboro Glass Marbles — Set of 15

Fifteen original Cuboro marbles, made to run exactly the way the system was designed.

These high-quality glass marbles are precisely sized for Cuboro’s channels and hidden tunnels, allowing them to roll smoothly, pick up speed, and make that unmistakably satisfying sound as they disappear into the wooden track.

Useful as replacements, extras for larger builds, or simply because a complicated Cuboro creation is always better when there are a few more marbles waiting at the top.

Details

Includes 15 original Cuboro glass marbles

High-quality glass construction

Precisely sized for Cuboro tracks, channels and tunnels

Compatible with the complete Cuboro system

Designed for smooth, low-friction runs

Ages 3+

Small-parts/choking hazard; not for children under 3