Severn posted:Thinking about it, besides as been mentioned the fee to license the sounds, "likenesses" and so forth of the characters. And short of Lionel adding a usb or micro-sd slot for custom sound playback... then there's nothing like the cheap home brew solution!
You mean like this? This is my little radio controlled sound module, allows you to play up to five clips of any length. You use a micro-FLASH card and just write MP3 file for the sounds.