How do I get inside the house?

Hint 1 of 8:

You'll first want to find a way up to the roof of the house.

Hint 2 of 8:

There are a few things that you can play with on the roof.  But you will 
need something that can reach up to the roof first.

Hint 3 of 8:

Try using the stone from under the frog.

Hint 4 of 8:

Then throw the stone at the mechanism on the roof (F).