Motorworks OSX Open Wheel Speed 3.0 Beech wood frame, highly detailed features and smooth rolling wheels, the OSX Open Wheel 3.0 is stylish, durable and very playable Snap-fit pieces include cab, chassis, front air dam, rear spoiler, side effects and rims with removable tires Snap-fit features, beech wood frame and removable tires are interchangeable with all styles of Motorworks vehicles Also features 8 repositionable racing decals for custom body work Interchangeable pieces let kids go beyond stock to customize their own unique cars and trucks