It happened on November 1, just before 6 p.m. on the 3500 block of Teton Road.
Police say they are looking for the driver of a silver Ford 150 with a black truck bed cover.
According to police, the suspect walked towards the girl and said, "Give me a kiss" and "where is your mother?"
The suspect then allegedly told the victim to "Let's go" as he started to walk back to his truck.
The suspect is described as a white male in his 50s, approximately 6-feet-tall, last seen wearing a black shirt and jeans.
Anyone with information please call 911 or 215-686-8477.