The men were caught on camera during the robbery around 8:00 p.m. Sunday at the Rite Aid located in the 1300 block of East Washington Lane.
Police say that the first suspect stayed inside the store after closing and, once the store closed, he produced a gun and ordered the employees to open the door for the other two suspects who were armed.
One of those suspects steps in full view of the camera, then leans down to put on a hockey mask.
The workers were handcuffed as the bandits took about $3,000 in cash along with lottery ticks, cigarettes and cigars.
The trio is then seen running out of the store carrying a large bag.
The employees were not hurt.
The suspects are described as:
#1: Black male 30's, 6'2'?? 250lbs, light brown complexion, black shirt, tan pants, black baseball cap.
#2: Black male 20's, 5'8", 150lbs, dark brown complexion, black T-shirt, black shorts, black Phillies baseball hat.
#3: Black male, 20's, 5'7", 175lbs., medium brown complexion, white T-shirt with black shirt underneath, white basketball shorts.
To view the surveillance video, visit The Philadelphia Police YouTube channel.
A $10,000 reward has been offered by the Citizens Crime Commission for the arrest and conviction of the three men involved. Anyone with information can call them at 215-546-8477.