Those are gigantic ones!
Wow, those damn enormous!
I cannot believe the enormity of those!
Oh wow, check out that! They are gigantic!
Would you simply look at the size of those are!
Unbelievable! That are absolutely massive!
Those must be among the hugest items I've ever seen!
Those are monstrously big!
That are so huge that I am in awe!
That redefine the word "huge!"
You won't believe the sheer size of that!
That make everything else look so small in comparison!
Those are truly ginormous!
Those are undoubtedly the biggest pieces I've ever seen!
I am astounded by how unbelievably huge those!
Those earn the title of "astonishingly massive!"
Oh my, that are incredibly gargantuan!