they aren't made of mattone or stone
and tu bruciasti
The "they" is far too broad to indicate a horse, it could be literally anything,
"bruciasti" throws a lot of really flammable results first, only putting "scorch" and "sting" at the end, so as someone who doesn't know Italian I feel like you picked a too severe word for what you were after.
However, the rest was great, so this is a pass from me!