Shops UK

• http://robot-electronics.co.uk/ good place for electronic components
• http://www.hpcgears.com good place for gears in UK
• http://www.igus.co.uk great place for plastic gears bearings

• http://www.rhopointcomponents.com/ electronics components

Components for the Microcontroller Course

• http://www.robotmarketplace.com/products/packages_main.html
• http://www.budgetrobotics.com/shop/?shop=1&cat=5
• http://www.adafruit.com/ (many DIY modules … like gps logger)
• http://www.sparkfun.com/ (many DIY modules … like gps logger)

Shops USA

• https://sdp-si.com/eStore/Direct.asp?GroupID=133 pulleys for the hand
• http://www.mcmaster.com anything … almost …