With no hammer or any kind of tool I build my house so quickly. What am I?

Answer: spider

More What am I ? with answers

More What am I ?

With the rich I am blue, with the poor I am red, with the amphibian I am cold but with the dog I am hot instead, What am I?
With three eyes and a black as night, I frequently knock down ten men with a single strike! What am I?
Without a bridle, or a saddle, across a thing I ride astraddle. And those I ride, by help of me, though almost blind, are made to see. What am I?
Without feather or wing I fly, but you'll known what I am when I hover near by. What am I?
Without me where would you be? I am not your eyes, but I help you see. What am I?
Without me you will surely die. Too much of me and like a pig you may lie. What am I?
You answer me, although I never ask you questions. What am I?
You answer me, but I never ask you a question. What am I?
You bury me when I am alive, and dig me up when I die. What am I?
You bury me when I’m alive and dig me up when I’m dead. What am I?
You buy me to eat, but never eat me. What am I?
You buy me, but I don't have a price. What am I?