Those are massive ones!
Wow, these incredibly huge!
I cannot believe how large that!
Oh wow, check out those! They are enormous!
Would you just take a look at how big that pieces!
Unbelievable! Those are staggeringly huge!
That are among the largest ones I've ever seen!
Those are tremendously big!
That are extremely big that I am in awe!
That redefine the word "massive!"
You won't comprehend how enormous those!
That make everything else look incredibly small in comparison!
That are absolutely enormous!
That are positively the biggest ones I've ever seen!
I am astounded by the sheer enormity of that!
That deserve the title of "astonishingly gigantic!"
Oh my, that are incredibly gargantuan!