The brand was introduced in March, 2004 as a logical next step to the the company's simpler HobbyZone® brand of electric model aircraft. Most HobbyZone planes are two-channel control, that is, two separate and discrete radio channels operating throttle and rudder. Most of these models were designed for first-time flyers and/or those transitioning from two-channel surface vehicles, specifically radio controlled cars and boats. ParkZone scale aircraft are constructed of lightweight foam with a polymer outer skin and styrene plastic bracing surrounding the radio equipment inside the fuselage. The Typhoon is manufactured from a special high-density foam with no outer skin, the Stryker flying wing is of one-piece molded foam construction and the Slo-V "slow flyer" has a carbon fiber "stick" fus