[Buying]  Gyro Weight Disk, in desperate search of (Large, heavy, circular disks for OG Beys)

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As shown in the image chart above, the weight disks I'm looking for are the large, heavy, circular weight disks some of you may remember from when you were kids and may have still in your collections.  I cannot seem to find any anywhere and am hoping one of you good gentlemen may have one or more in your collections.