Those are massive pieces!
Wow, these damn huge!
I cannot believe the size of those!
My goodness, check out that! They are gigantic!
Would you simply see the size of those pieces!
Unbelievable! Those are staggeringly huge!
That must be among the hugest ones I've ever seen!
That are tremendously big!
That are extremely big that I am in awe!
Those redefine the word "colossal!"
You won't believe how enormous those!
That make everything else look incredibly small in comparison!
Those are truly gigantic!
Those are positively the largest ones I've ever seen!
I am astounded by how unbelievably huge those!
That deserve the title of "mind-blowingly gigantic!"
Goodness, those are incredibly gargantuan!