Get ready to burn rubber in the Grand Prix Racer! This 2-in-1 LEGO Technic model is crammed with realistic details and functions, like the opening engine cover, independent all-wheel suspension, V8 engine with moving pistons, adjustable rear spoiler and steering capabilities. Build a model that's just like the real thing! Motorize it with 8293 LEGO Power Functions Motor Set (sold separately) for even more supercharged fun! Rebuilds into a cool Race Truck with independent front and rear wheel suspension, engine with moving pistons, opening hood and adjustable rear wing. Features adjustable rear spoiler and realistic steering. Motorize the Grand Prix Racer with 8293 LEGO Power Functions Motor Set (sold separately). Measures over 4" (12cm) high, 24" (61cm) long and 9" (25cm) wide. Race Truck measures over 7" (19cm) high, 17" (45cm) long and 8" (22cm) wide.