The Simplicity 3005 Wonder Boy is a riding lawn mower produced from 1975 to 1978 as part of the Wonder Boy Series. It features a 5 hp Briggs & Stratton 204cc 1-cylinder gasoline engine, a 2-speed belt-driven gear transmission with 2 forward and 1 reverse gear, and two-wheel drive with manual steering. The mower has a wheelbase of 41.5 inches and weighs 268 lbs. It includes a 26-inch mid-mount mower deck attachment with adjustable cutting height. Built in Port Washington, Wisconsin, USA, the original price was $895 in 1978.