Hello how may I help you? where can i buy a mousetrap? At the Ace store in your town. Hello? Bueller? i only need only 1 mousetrap What about two for only 75% of the price of two? what type of mousetrap does Ace sell? The regular or the big size. do they sell a 1 pack of the regular ones Yes, but it's cheaper to get more for less than double the price. are there other stores that sell one mousetrap? Yes, Walmart does.