This is what I got from them and it's just an automated email I assume. Did you just reply with your address?
Bandai America Inc. appreciates your efforts to contact us.
Online privacy policies we adhere to prevent us from obtaining personal information such as addresses or phone numbers via emails so we won't be able to send parts by way of this correspondence.
Please call the number below or mail a request to the listed address to leave info as to where you want the parts mailed.
Replacement offer valid in U.S./Canada only and good only while supplies last.
Please allow up to four to six weeks for processing from time we receive your call or mailed-in request.
Thank you,
Bandai Customer Service
Bandai America Inc.
2120 Park Place, Suite 120
El Segundo, CA 90245
714-816-9560