That are big ones!
Wow, those are colossal!
I cannot believe the enormity of those!
Whoa, look at those! They are massive!
Would you just look at how big those are!
Unbelievable! Those are staggeringly huge!
That are some of the most enormous ones I've ever seen!
Those are tremendously large!
That are incredibly big that I am in awe!
Those give a whole new meaning to the word "colossal!"
You won't comprehend the sheer size of those!
Those are incredibly small in comparison!
Those are absolutely enormous!
That are seriously the biggest pieces I've ever seen!
I am speechless by the sheer enormity of that!
Those earn the title of "astonishingly massive!"
Goodness, that are incredibly gargantuan!