Power up the super-fast LEGOË 'Technic - Whack!', featuring an awesome lime-green, red and grey colour scheme with cool racing stickers, sturdy front bumper, large rear spoiler and wide black rims with low profile tires for ultimate grip. Activate the powerful pull-back motor to experience this vehicle's amazing power and acceleration and see the engine crash out of the car body on impact Whack! Features a powerful pull-back motor, sturdy front bumper, large rear spoiler, wide black rims with low profile tires and an engine pop-out function, which is activated on impact. Bring on the 42073 Bash! and let the race begin! This LEGOË Technic advanced building set is designed to provide an immersive and rewarding building experience. Combine with the 42073 Bash! to create an awesome Whack! 'N' Bash! combi model with 2 pop-out engines!