Checking Ebay policy for the GSP. It appears most excluded countries from this sale are GSP eligible. I can only assume exclusion comes from Hasbro themselves.
https://www.ebay.com/help/selling/shipping-items/setting-shipping-options/global-shipping-program?id=4646
https://www.ebay.com/help/selling/shipping-items/setting-shipping-options/global-shipping-program?id=4646