Glad to see it rocks so violently! (Actually, I'm glad it works at all.
: Sorry, I really don't have any idea where to find one. I found two last year at a local Halloween shop (Halloween Express I believe) and I've seen none like them prior or since. Mine comes in the same box and has no info (barcode, company, actual name of product) anywhere on it. And despite being in an identical box, it's actually quite a bit different.