That are big items!
Wow, those are enormous!
I cannot believe the enormity of those!
Oh
wow, check out those! They are enormous!
Would you simply look at how big those are!
Unbelievable! That are staggeringly huge!
That must be among the biggest items I've ever seen!
That are monstrously large!
That are incredibly big that I am in awe!
That give a whole new meaning to the word "huge!"
You won't comprehend the sheer size of that!
Those make everything else look ridiculously small in comparison!
Those are truly ginormous!
That are seriously the largest ones I've ever seen!
I am astounded by how unbelievably huge those!
That deserve the title of "astonishingly massive!"
Oh my, that are incredibly gargantuan!