• Newsgroups
  alt.toys.transformers.marketplace

• Fuzzy search
  classifieds
  clubs and organizations
  collectible card games
  collectible miniatures games
  collectibles
  collecting
  collections
  collections and directories
  collections and indexes
  collective nouns by collective term
  collective nouns by collective term a-k
  collective nouns by collective term l-z
  collective nouns by subject
  collective nouns by subject a-h
  collective nouns by subject i-z
  collective nouns for birds
  collective nouns for non-human mammals
  collective nouns for objects and concepts
  collective nouns for people
  collective nouns for reptiles and amphibians
  collector

• Specialized stores
  Amazon.com (US)
  Amazon.ca (CA)
  Amazon.co.uk (UK)

• Specialized search
  Discovery.com
  Exploratorium
  TutorialFind

• General crawlers
  All the Web
  AltaVista
  Google
  Lycos
  Mamma
  Msn
  Overture
  Teoma
  WiseNut