Those are big ones!
Wow, these sure is huge!
I cannot believe the enormity of those!
Oh wow, look at that! They are enormous!
Would you just look at the size of those are!
Unbelievable! That are
staggeringly huge!
That are among the largest items I've ever seen!
Those are
monstrously large!
Those are incredibly massive that I am in awe!
That give a whole new meaning to the word "colossal!"
You won't imagine the sheer size of that!
That make everything else look ridiculously small in comparison!
That are truly ginormous!
That are positively the biggest ones I've ever seen!
I am speechless by the sheer enormity of that!
Those earn the title of "astonishingly huge!"
Oh my, those are mind-bogglingly large!