Description from Boots.com:
This special offer pack includes the latest Brain Training game - Big Brain Academy - as well as a DS Lite Essential Sudoku game to keep all you puzzle mad gamers satisfied! In addition, we have also included a deluxe accessory pack which includes all the add-ons you need for your DS such as a protective case, replacements stylus pens, screen filters and much much more!
Seems like a great deal - and don't forget quidco/ advantage points!
EDIT- ALREADY OOS :(