Spinosaurus (formerly Blowfish) Cobbles

These Spinosaurus (aka Blowfish) Cobbles are yellow with textured flecks of lavender on the surface.  They are iridized to have a highly shiny reflective surface.  These marbles come in packs of 12 or 100 marbles.  They are approximately 22mm or 7/8" in diameter and usually range between 20 - 23mm in diameter.