That are big pieces!
Wow, those sure is huge!
I cannot believe the size of that!
Oh wow, check out that! They are gigantic!
Would you simply look at how big those are!
Unbelievable! That are incredibly gigantic!
Those are some of the biggest ones I've ever seen!
That are monstrously large!
That are unbelievably enormous that I am in awe!
That redefine the word "massive!"
You won't believe how enormous that!
Those are ridiculously small in comparison!
Those are truly enormous!
That are positively the biggest ones I've ever seen!
I am speechless by how unbelievably huge those!
Those deserve the title of "astonishingly gigantic!"
Oh my, that are absolutely enormous!