Noticed these in my Local Roys of Wroxham store tonight whilst shopping with my son. I'm going back tomorrow to buy for my son as he loves Halo. These are £29.99 most other places. Sorry but Roys is only In Norfolk and the Branch I spotted these in was Bowthorpe Norwich.
Halo Wars: UNSC Scorpion Tank Vehicle & Mega Bloks HALO UNSC Arctic Wolverine Buildable Playsets £19.99 @ Roys of Wroxham