The Premium liquid powered calculator never needs a battery, The calculator is powered by water, juice, soda or almost any liquid, Case of: 25, Manufacturer: Premium, Retail Packaged: Color gift box, UPC Coded: Yes, Materials: Plastic, Dimensions: 2, 875 inches W x 5 inches H x 0, 625 inch D, How packaged: 25 calculators per case, , Features include, , 8-digit liquid crystal display, Can also operate on 1 button cell battery (not included), SKU: PC126