Those are big ones!
Wow, those sure is colossal!
I cannot believe the size of that!
Oh wow, look at that! They are gigantic!
Would you simply take a look at how big that pieces!
Unbelievable! Those are absolutely massive!
Those are among the largest items I've ever seen!
Those are tremendously large!
Those are extremely enormous that I am in awe!
That redefine the word "massive!"
You won't believe how enormous that!
That are ridiculously small in comparison!
Those are absolutely gigantic!
That are positively the largest pieces I've ever seen!
I am astounded by how unbelievably huge that!
Those earn the title of "mind-blowingly massive!"
Oh my, those are incredibly gargantuan!