ORANGE PARK, Fla. -- Days after the burial of 7-year-old Somer Thompson, a national child safety group is in town offering the community and the Clay County Sheriff's Office some advice.

"It's frightening, and so the best thing we can do is educate children in prevention rather than reaction," said Jack Weisenborn, a representative from the Child Lures Prevention team.

Weisenborn has been involved in children safety programs for 30 years.

When Somer disappeared last week, Weisenborn's group from Vermont sent him to Orange Park to help. Its goal is to prevent tragedies like Somer's death from happening again.

"If it doesn't feel right in their stomach or their heart, then don't go with an adult," Weisenborn said. "They learn as a tip coming into Halloween to ask a trusted adult such as their parents or their school teacher."

Weisenborn said the key is to teach children and even teens what to watch out for.

He said there are 16 specific lures of which children are to be aware at all times. Among them are showing children affection, using pets or assistance in finding a pet or a person, saying they're an authority figure such as a police officer, bribing a child with money or candy, reporting a fake emergency and even using threats.

"If you're approached by an adult, back away," Weisenborn said. "For example, an adult doesn't ask a child for directions. Go the other direction. Run the opposite away. If someone tries to grab a child, the child needs to yell, 'Help, this is not my father,' 'Help, this is not my mother.'"

"It's very scary to let them go anywhere without watching them, even at the playground," mother Sharon Stickler said.

Stickler said the tragedy surrounding Somer reinforces her belief that her children shouldn't be out of her sight. She has two children, including a 4-year-old, and she admits they are so kind they could easily be lured.

That's why she tries to teach them how to run away.

"We teach them to scream if somebody comes up to them to ask them anything," Stickler said. "If it's somebody they don't know, we tell them scream loud and run to somebody they do know."

To see all 16 tips and more advice from Child Lures Prevention, go to http://www.childluresprevention.com/.

In the search for Somer's killer, investigators said more than 2,300 tips have been called in from people locally and across the country. More than $35,000 is being offered in reward money.

Police said Friday that the owner of the home searched where Somer was last seen has hired an off-duty officer to keep an eye on the home.

Anyone with any information that can help police is asked to call the Clay County tip line at 877-227-6911 or Crimestoppers at 866-845-TIPS.