I know there's some parents out there and some of you might even be bad enough parents that you bought a PlayStation 2 or 3 (haha JOKING).
I have a copy of Singstar: The Wiggles for PS2 lying around occupying valuable space in my desk. I am not sure if it is an expansion so don't know if you need the base game.
I don't /think/ it's compatible with PS3 but not sure.
First person to respond in this thread can have it. Here's the official product page if anyone is interested:
http://au.playstation.com/ps2/games/detail/item281793/SingStar%C2%AE-The-Wiggles/