Council Bluffs Police say the Cricket Store on West Broadway was held up Saturday morning.
Investigators say two employees were held at gunpoint by a man who was armed with what was believed to be a semi automatic handgun.
The thief is described as a black male who wore a gray hooded sweat top with red stripes on the sleeve. A green scarf covered his mouth.
He stole some cash and several cell phones before making his getaway.