There use to be (maybe still is) a group called
Aloha Clowns. Their website is down (alohaclowns . com) Web Site Unavailable[/url], but maybe still in operation. No idea if they sell anything, but they can likely give you some infotmation.
The only contact information (save for the web above) is this number: (no idea if it is still valid)
Karen Force - 808-623-0400
Edit:
Info according to Yahoo Maps can be found
here
A Aloha Clowns
(808) 447-8215