Fireman Sam - Fire Engine Jupiter (Remote Control Vehicle) Available exclusively on Amazon, this RC fire truck will be a big hit for all Fireman Sam fans. Equipped with a dual-channel wireless RC handset, the 1:24 scale RC Jupiter operates on a 27 MHz frequency. It provides full driving functions and a turbo feature, which is activated from the wireless RC handset. The 7.8" fire engine also comes with a flashing blue light. Batteries (3 x AAA, 3 x AA) are not included. Great for children age 4+.