The robbery took place at 3:11 p.m. at the Bryn Mawr News Agency on Lancaster Avenue.
Police say three men wearing ski masks, black jackets and backpacks, got away with cash and cigarettes.
Nobody was hurt.
The bandits were seen running on Prospect Avenue toward Radnor Township.
Anyone with information is encouraged to contact the Lower Merion Police at 610-649-1000. If the suspects are seen, dial 9-1-1.
