From Argos,amazon,eBay,sainsburys(the one behind big sports direct)and toys r us there's more but I said to much your welcome.
You can buy it in Target, Walmart or Toys R Us.
There are Halo Mega blocks. They are similar to Lego.
It is assumed that Mega Blocks will release Halo: Reach sets, and they are highly anticipated.
I wana say the wraith just cus you get more for less
they made halo in mega blocks
March 2011
There isn't a Lego Halo video game. Mega Blocks is like Lego and has build-able Halo products.
read the instructions
you can get it at Toysrus however if you like Legos more you get halo Legos on a website called Brickforge
There are lego style Halo sets but they are from another company called Mega-Blocks.
They are already out on some websites.
In Toysrus