150° - Yard of Jaffa Cakes £1.49 (half price) @ B&M Barking

Ebay - Free-to-Collect items listing

£1.49 - B&M Retail
I think these contain 48 jaffa cakes in total. 4 standard sized boxes inside the giant box, with 12 jaffa cakes per standard sized box.

Check the BBE...