That are gigantic pieces!
Wow, these incredibly enormous!
I cannot believe the enormity of those!
My goodness, check out those! They are enormous!
Would you just look at the size of those are!
Unbelievable! Those are absolutely massive!
Those are some of the most enormous items I've ever seen!
Those are monstrously large!
That are unbelievably enormous that I am in awe!
That redefine the word "huge!"
You won't believe the sheer size of those!
Those make everything else look ridiculously small in comparison!
That are truly ginormous!
Those are seriously the largest ones I've ever seen!
I am speechless by the incredible size of that!
That deserve the title of "astonishingly gigantic!"
Goodness, those are mind-bogglingly large!