on the floor of front garden ....

Can you please explain these a bit more ?
Exactly what they are and where they were found ?
Thank you. :o)

These were picked on the beach in East Java (Indonesia) by my Indonesian helper. I'm not sure if these are stones because they are light, not heavy, and the person who picked doesn't know what these are. Nice souvenir though i don't know what these are. I'll ask her if there's a name in her language.

They were living corals, lived deep under water. When they die they become rock hard.

Michaella and Autumn ~
Thanks for the extra information. :o)

Yes, I agree w Michaella looks like coral to me too :)

Yes definitely Coral........

Thank you Michaella, Tasteyg and Janey .... i was curious what these are.