The Knitting Network have some new mystery packs containing an assortment of 12 balls of yarn for £14.99 each. The yarn included is a surprise but could include brands such as Sirdar, Robin, Hayfield, Scheepjes and West Yorkshire Spinners.
You can find all their sale yarns here.
This page includes affiliate links, if you follow them to shop it wont cost you any more but I may receive a small commission which goes towards the running costs of Pollyknitter.