LEGO Technic Rally Car 42077 contains 1,005 pieces and builds a vehicle with functional steering and suspension, a large rear spoiler, four spotlights, red six-spoke wheels and low-profile tyres. The bonnet and rear hatch open to reveal a cooling system with two fans and a V6 engine with moving pistons. The cockpit features opening doors, racing seats and a roll cage. The model can be rebuilt as a buggy. The rally car measures approximately 24 cm high, 42 cm long and 21 cm wide.