Monster Jam™ building set for kids who love monster trucksThis monster truck with pull-back motor lets boys and girls aged 7 and up recreate the spectacular action fun of the Monster Jam™. Use the cool retract function to let the Sparkle Smash™ (42220) roar off and perform the spectacular stunts of legendary monster trucks. Just like the real Sparkle Smash, this faithfully recreated unicorn monster truck features authentic details such as a unicorn's twinkling stars and legendary horn. This build-and-play monster truck makes a great gift idea for boys, girls and all kids who love LEGO® speedsters, pull-back cars and the allure of the breathtaking Monster Jam events. The vehicles from LEGO Technic sets move realistically and have a mechanic that young LEGO building fans can use in an understandable way.