There are two safety postures that your children should know about to protect themselves against a possible bite from a strange dog.
If the children are standing, they should
STAND STILL LIKE A TREE.
The dog will soon loose interest and wander off. When the dog is gone, the children should tell a familiar adult about the dog.
If the children are on the ground, they should ACT LIKE A LOG.
The dog will soon loose interest and wander off. When the dog is gone, the children should tell a familiar adult about the dog.