As parents we want to keep our children as safe as we possibly can. It seems this task is becoming more difficult all the time. Here are some resources to help you teach your children about safety in the real world, as well as online.
McGruff The Crime Dog coloring book
Color and Cut 3-D police car (best if printed on cardstock)
Find fun and educational games to play at http://www.netsmartzkids.org/. Your kids will be learning about safety without even realizing it.