That are massive pieces!
Wow, those absolutely enormous!
I cannot believe the size of that!
My goodness, see that! They are massive!
Would you simply see the size of that are!
Unbelievable! Those are staggeringly huge!
Those are among the largest items I've ever seen!
That are tremendously big!
Those are so huge that I am in awe!
Those give a whole new meaning to the word "colossal!"
You won't imagine how enormous those!
That are so small in comparison!
Those are truly gigantic!
Those are undoubtedly the largest pieces I've ever seen!
I am astounded by the sheer enormity of those!
Those deserve the title of "astonishingly massive!"
Goodness, those are mind-bogglingly large!