Answer:
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still.
Break it and it is better, immediately set and harder to break again
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
I'm flat. You use me everyday. You need me to live. But you give me away everyday. I'm coloured and I have a founding father on me. What am I?
Left to right Iām quite bright. Right to left I might bite.
I am your mother's brother's only brother in law. Who am I?