The incident happened Monday night at 10 p.m. inside a Chinese takeout restaurant on the 3800 block of Pulaski Avenue.
Police say the suspect was inside the restaurant talking with customers when he briefly left.
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He returned a few minutes later and pulled a handgun as he walked through the front door, demanding money.
The robber stole several cell phones, wallets, cash and a lime green Segway Hoverboard.
According to police, he placed the items in the trunk of a silver Pontiac Bonneville and fled towards Hunting Park Avenue.
There were no injuries reported during this incident and no shots were fired.
The suspect is described as a black male, 22-23 years-old and 5'6 tall with a slim build. He was wearing a navy blue polo Ralph Lauren hooded sweatshirt, sunni beard, and had a large "H" tattoo on his neck.
Anyone with information is asked to call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).