Thank you for contacting us.We apologize for any inconvenience caused in the delivery of "ONETONE One Tone Roll Piano with Built-In Speaker, Rechargeable Battery Operated, Transpose Function, OTR".We do not want our customer to face this kind of a problem.We would have loved to provide you with the replacement. But unfortunately, the item is currently out of stock and we will not be able to process a replacement.Please accept our sincere apologies. Refund on return is the only option available.I would request you to please reply back to this email with your acceptance.Please be rest assured we will forward this issue to the concerned team in order to make sure that this issue is not repeated in the future.We greatly appreciate your patience and understanding in this regard.It is our privilege to have you as our valued customer & we want to make sure you are always taken care of.If you have any other questions, please feel free to contact us.We await your revisit to Amazon.co.jp.Best regards,Sakshi B.