ThinkGeek is described as 'American online retailer that caters to computer enthusiasts and other "geeky" social groups. Their merchandise includes clothing, electronic and scientific gadgets, unusual computer peripherals, office toys, pet toys, child toys, and caffeinated drinks' and is a Online Shop in the business & commerce category. There are more than 25 alternatives to ThinkGeek, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and Android Tablet apps. The best ThinkGeek alternative is Particl Marketplace, which is both free and Open Source. Other great sites and apps similar to ThinkGeek are Target, Barnes & Noble, Zalando and Healcomputer.
Ever since Toys R Us closed, Barnes & Noble has really stepped up their geeky stock - from toys and board games to art supplies and figurines to higher-end consumer electronics, as well as a smattering of science kits. Said games and toys are mix of original content from smaller publishers, and major publishers with major licenses.