Those are enormous items!
Wow, these damn immense!
I cannot believe the enormity of that!
Whoa, see that! They are massive!
Would you just look at how big those pieces!
Unbelievable! Those are absolutely massive!
That are among the most enormous ones I've ever seen!
Those are tremendously large!
That are unbelievably big that I am in awe!
Those give a whole new meaning to the word "colossal!"
You won't believe the sheer size of those!
Those make everything else look incredibly small in comparison!
Those are absolutely ginormous!
That are undoubtedly the biggest ones I've ever seen!
I am speechless by the sheer enormity of that!
Those deserve the title of "astonishingly gigantic!"
Oh my, that are mind-bogglingly large!