Description
These glass marbles are compatible with any of our Marble Genius marble run toys and are the standard size for toy marbles (5/8 inch each).
Features
- 60 standard toy size glass marbles (5/8 inch) are provided in this set
- Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 9 Accessory Sets