As it says in the title ;)

Shires Equestrian

Try Riding Stable Riding Stable (http://www.riding-stable.com) or Horse Stall Horse Gifts and More (http://www.horse-stall.net)

If English, can try Dover Saddlery or Ricks Heritage (saddlesource.com). If just looking for general supplies, can try Omaha Vaccine, Valley Vet or Jeffers. These last three have especially good prices.

Horse.com jeffersequine.com statelinetack.com chicksaddlery.com horsetackco.com

A horse toy that can walk
http://www.ufree-horse.com/