Amiibo's on sale in Grainger Games. Previously £14.99 to now £10.99..! Amiibo's listed are Link, Mario, Pikachu, Yoshi, Peach, Diddy Kong, Samus, Fox, Marth, Captain Falcon, Donkey Kong, Pit, Zelda and Luigi-- some of these being hard to find and all of them are currently in stock! Delivery is also free!
EDIT: Marth, Zelda, Captain Falcon and Pit are now no longer an option to buy, but the deal is still running on all the other characters.