Those are enormous ones!
Wow, those are immense!
I cannot believe how large that!
My goodness, check out those! They are gigantic!
Would you simply take a look at the size of that pieces!
Unbelievable! That are staggeringly huge!
Those must be among the hugest ones I've ever seen!
That are monstrously big!
That are extremely massive that I am in awe!
That redefine the word "massive!"
You won't believe the sheer size of those!
That make everything else look so small in comparison!
Those are truly enormous!
Those are seriously the biggest ones I've ever seen!
I am astounded by the sheer enormity of those!
That deserve the title of "astonishingly gigantic!"
Goodness, those are incredibly gargantuan!