Those are huge pieces!
Wow, those sure is immense!
I cannot believe the enormity of those!
My goodness, look at those! They are gigantic!
Would you simply take a look at how big that are!
Unbelievable! Those are incredibly gigantic!
That are among the biggest items I've ever seen!
That are monstrously large!
Those are unbelievably big that I am in awe!
Those give a whole new meaning to the word "colossal!"
You won't believe the sheer size of those!
Those are incredibly small in comparison!
Those are truly ginormous!
Those are positively the biggest ones I've ever seen!
I am astounded by how unbelievably huge those!
Those earn the title of "astonishingly gigantic!"
Goodness, that are incredibly gargantuan!