Haylie, 13, brother Reagan, 6, and friend Ashley Dayton, found wallet on July 18

Seen on home surveillance video approaching home of owner and ringing bell

Haylie says they had found the full wallet outside a car and wanted to return in

Father of owner, Jamie Carlton, posted the video on Facebook to thank them

Parents Kerri and Ryan said they were 'very proud' of their children's actions 

Three Colorado children who returned a wallet stuffed with $700 of cash to its owner have been hailed by well wishers.

Haylie Wenke, 13, her brother 6-year-old Reagan, and their friend Ashley Dayton are seen on surveillance video around midday on July 18 approaching the front door of an Aurora home, where a robotic voice tells them to leave a message.