ThinkGeek is an American online retailer that caters to computer enthusiasts and other "geeky" social groups. Described as a "Sharper Image for sysadmins", their merchandise, which caters to geek culture, has been likened to "toys for adults, novelties designed to appeal to both your inner child and your inner grad student." These include clothing, electronic and scientific gadgets, unusual computer peripherals, office toys, pet toys, child toys, and caffeinated drinks and candy.