Marble Genius Marbles - Marble Run Accessory Add-On Set (60 pcs.)
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 of Marble Genius Marbles - Marble Run Accessory Add-On Set (60 pcs.)
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
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Warning - California Proposition 65
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.