As most of you know, I breed mini Aussies. Well I have 2 8wk old babies just waiting for there health checks, and new parents to come get them. They are enjoying my dog yard, and playing with the adults. I have a pine tree that hangs over the fence, and the large pinecones fall into the yard. Well as puppies are puppies, they love the sticks and the pinecones to chew on. I have not found anything online saying they are dangerous, and was wondering if anyone on her knew of anything different. They are playing with them, not constantly lying down chewing on them as if they were rawhide or something. Let me know if I am wrong, otherwise they can continue to play with them outside.