That are big ones!
Wow, those incredibly immense!
I cannot believe the enormity of those!
My goodness, see that! They are gigantic!
Would you simply look at the size of that are!
Unbelievable! Those are staggeringly huge!
That are among the most enormous items I've ever seen!
Those are monstrously big!
Those are so huge that I am in awe!
Those give a whole new meaning to the word "colossal!"
You won't comprehend the sheer size of that!
That are ridiculously small in comparison!
That are absolutely gigantic!
Those are undoubtedly the biggest pieces I've ever seen!
I am astounded by the incredible size of that!
That deserve the title of "mind-blowingly massive!"
Goodness, that are mind-bogglingly large!