See-- Blood! Haha! I Win!

Kid stopping to look at object on the ground: Look, glass!
Father: That's a lolly.
Kid: No, it's glass!
Father: It isn't glass, it's a lolly.
(kid picks up object and puts it in his mouth)
Kid: No, it's glass.

Melbourne
Australia

Overheard by: Never found out what it was.