Those are enormous ones!
Wow, these damn enormous!
I cannot believe the size of those!
My goodness, see those! They are gigantic!
Would you just take a look at the size of those pieces!
Unbelievable! That are staggeringly huge!
That must be some of the largest items I've ever seen!
Those are tremendously big!
Those are so huge that I am in awe!
Those redefine the word "colossal!"
You won't comprehend the sheer size of that!
That make everything else look ridiculously small in comparison!
That are absolutely enormous!
That are undoubtedly the largest pieces I've ever seen!
I am astounded by how unbelievably huge those!
That earn the title of "astonishingly gigantic!"
Goodness, that are mind-bogglingly large!