Chaos Toy doesn’t seem to believe in keeping any historical information on their site; once they’ve sold all of their stock on an item, it vanishes, never to be seen again. If it weren’t for the Internet Archive Wayback Machine, I wouldn’t have nearly as much information about the older sets and parts. The Internet Archive works by scanning websites and archiving as many publicly accessible pages as possible. If you don’t want your site scanned, you can use the robots.txt file, but by default, it will scan and archive everything. After 6-14 months it will appear in the archives.
You can see all of the archived copies of the Chaos Toy website here. Some of the better ‘leaping off’ points for Chaos Toy information are: