Tesco Playmats seem to be back in stock. These were posted last week for £5.98 but are reduced in the summer sale.
Last weeks post... http://www.hotukdeals.com/deals/set-4-large-foam-playmats-down-5-98-tesco-direct-1255968
Just ordered 2 more sets for collect at store as great value. Usually £7.48.
Hopefully plenty of stock considering the other miss prices etc.