Play don't always give much info on stuff like this; but after a bit of research I find that this is a real bargain. Elsewhere it retails for between £29.95 cheapest (eBay) and £37.95 most expensive (ToysGamesGifts). So, there's a bargain (or even a profit) to be had here.
Like I say, Play don't do much in the way of info; but found on other websites the info is as follows: -
Made by Corgi, this superb Doctor Who set comes to you in a TARDIS shaped gift box. The set comprises of a Gold Dalek, Cyberleader, K9, Davros, Bessie and Tom Baker as the Doctor
Limited Edition of 5000