Answer:
A small hill with seven holes.
I call the trees my home, yet I never go inside, and if I ever fall off the tree I will be surely be dead.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
What fastens two people yet touches only one?
Blue lives in the blue house, Mr. Pink lives in the pink house, and Mr. Brown lives in the brown house. Who lives in the white house?
Cycle Cycle Cycle.