"Special" Items
Like the "Limited" thing on Roblox, If an item has the label "Special", then users who own this item can resell it at any price if they want.
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"Special Edition" Items
Like the "Limited Unique" thing on Roblox, If an item has a "Special E" label, there is a limited stock of the item. When the stock runs out, users may resell the item, faces with colour can be a Special E item.
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"Free" Items
Any item with a "Free" label costs no Cubes to purchase.