does anyone if u may send birthdaycards or cristmascards witch play music when u open them?

Hi sweetnblond, to my knowledge they do not allow them as they could contain an explosive device or narcotics. The best way to be certain is to check with the DOC that your friend is in. Each DOC has it's own rules and regulations and they vary from state to state , all you need to do is check the website for the relevant DOC and they will have an "inmate mail" section or guide to mail that will steer you in the right direction. Alternatively e-mail or call the prison and ask the directly as a rule you will only need to ask the question and not name the inmate involved. Most inmates prefer to be out of sight out of mind when it comes to the authorities so be aware that the less attention you draw to your pal the better things will be. Good luck. Andrew