Those are massive ones!
Wow, those damn immense!
I cannot believe how large those!
My goodness, check out those! They are massive!
Would you just take a look at how big those are!
Unbelievable! Those are incredibly gigantic!
Those are some of the most enormous ones I've ever seen!
Those are monstrously big!
Those are unbelievably big that I am in awe!
Those give a whole new meaning to the word "huge!"
You won't comprehend how enormous those!
Those are ridiculously small in comparison!
Those are absolutely enormous!
Those are positively the largest pieces I've ever seen!
I am astounded by the incredible size of that!
Those deserve the title of "mind-blowingly massive!"
Goodness, those are incredibly gargantuan!