They were drawn in by the chance of going inside emergency cars or learning about bicycle safety and getting fitted for a new helmet as well as learning CPR.
Richland police officer Richard Kane let kids get an up-close look at the back seat of his cruiser, and he said the reason was very simple.
"We find that the kids like it better because they like to do this you can turn around and then the parents usually end up taking pictures just like she's doing. They seem to like it. They always say, now I never want to see you again in this police car so maybe it's a good lesson."
More than 300 kids stopped by the event.
Safe Kids Saturday has been a staple of the Tri-Cities for 19 years now.