This model kit is in 1/700 scale. The single sprue is connected by wires either side of the amphibious trucks. It includes: 6x LARC-V amphibious trucks.
According to Wikipedia: "LARC-V (Lighter, Amphibious Resupply, Cargo, 5 ton), is an aluminium-hulled amphibious cargo vehicle capable of transporting 5 tons. It was developed in the United States during the 1950s, and is used in a variety of auxiliary roles to this day."