Self-propelled wooden model runs, shifts, steers, and accelerates just like a real truck! Equipped with a 4-cylinder rubber band engine, it starts in idle mode, with 4 pistons pumping under the folding hood. Open the door and observe the functioning steering wheel and gas pedal. Truck will move forward in drive mode, and then backward in reverse mode! A lever operates the retractable, 3-section, 27" long ladder on a rotating platform. Kit includes 537 parts made from natural wood and requires no glue. Assembly time, about 14-16 hours. Finished size is approx. 13 1/2" x 4 3/4" x 7 3/4"H. Ages 14+ up.