That are big ones!
Wow, those incredibly colossal!
I cannot believe the enormity of that!
Whoa, check out that! They are gigantic!
Would you simply take a look at the size of those pieces!
Unbelievable! That are staggeringly huge!
That are some of the biggest ones I've ever seen!
Those are tremendously big!
That are incredibly massive that I am in awe!
Those give a whole new meaning to the word "huge!"
You won't believe how enormous that!
That make everything else look incredibly small in comparison!
That are truly ginormous!
Those are seriously the biggest ones I've ever seen!
I am speechless by how unbelievably huge those!
Those earn the title of "mind-blowingly massive!"
Oh my, that are mind-bogglingly large!