Oh, dude, a hink pink riddle for a box for huge rocks would be a "massive boulder folder." It's like a rock's version of a filing cabinet, you know? So, if you ever need to organize your giant stones, just grab your massive boulder folder and get to work!
big pig
boulder holder
little riddle
bread spread
blue glue
A hink-pink.
dog log
bag tag
spring thing, summer drummer
stranger danger
A claw flaw.
strange change