I tried to make some cobbles but i think they are to big...





Also i dont know what the pavments would of looked like about a mile in from normandy.

Try split peas

for the cobbles?

Yea - those aren't quite right for cobbles,
Check this feature out
https://armorama.kitmaker.net//features/315

Another option to try would be to carve them yourself. I usually lay down a base of Plaster of Paris about 1/8" thick as a minimum. I firstly draw out the patter with a ruler and a pencil. Then with a finnishing nail chucked into an old X-acto handle and a ruler I follow the pencil lines I drew out beforehand. Its an easy and cheap way to make a cobble street. Just make sure that the base is solid or the plaster will crack when you apply pressure.
Cheers,
Bryan