HEATKEYS

Selling geek t-shirts, mugs, ties, high caffeine products, and many other gifts for programmers, linux hackers, and open source geeks.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

OWI Robotics is the creator and official manufacturer of award winning educational robot kits.

RobotShop, the World

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

Pitsco Home

Information and supplies for science fair projects regarding physics, computers, electronics and robotics. featuring: electronics, robotics, speech recognition, geiger counters, ecoSpheres, nitinol, sma, pic, microcontrollers, picbasic, picbasic pro...

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Online shopping for the largest selection of electronics, home furnishings, video games, baby gear and more. Shop online and save money to live better, at Walmart.com.

Fat Brain Toys - the top online destination for safe, educational toys that will challenge your child

We have hundreds of Electronic Kits, Circuits, and Plans that are fun, educational, and hobby practical.

Edmund Scientific features hundreds of science-related toys, gifts & supplies for enthusiasts, hobbyists, teachers, scientists, & kids. Shop online!