Engage kids in creative play for hours with the high-speed LEGO Technic 42072 WHACK! model car. They can race against stunt cars and other vehicles, building a top race car with a powerful pull-back motor. The crash car features a sturdy front bumper, large rear spoiler, wide black rims with low profile tires, and a toy engine that pops out on impact. Combine it with the LEGO Technic 42073 BASH! to create an awesome WHACK! ‘N’ BASH! combo crash for group play. Compatible with all LEGO building sets. Suitable for kids aged 7-14.