MONSTER JAM BUILDING TOY - The LEGO Technic Monster Jam Sparkle Smash Pull-Back truck (42220) offers hours of play for boys, girls and kids ages 7+ who enjoy monster trucks and unicorn toys MONSTER TRUCK TOY WITH PULL-BACK ACTION - Pull the truck toy back, then release it to recreate the thrills of the Monster Jam arena with exciting tricks and stunts UNICORN DETAILS - This Monster Jam model building kit features authentic design details like the sparkling stars and iconic unicorn horn inspired by the real Monster Jam Sparkle Smash truck ENCOURAGES CREATIVE PLAY - Kids can create their own epic Monster Jam events and adventures as they play with their truck toy GIFT IDEA FOR KIDS - This LEGO Technic vehicle toy building set makes a fun gift for boys and girls ages 7 years old and up who love monster truck toys and pull-back cars Kids unleash arena-sized thrills with the LEGO Technic Monster Jam Sparkle Smash (42220) building toy for boys and girls ages 7 years old and up. This STEM building set lets young builders construct the iconic Sparkle Smash unicorn monster truck featuring pull-back action that launches the truck into high-speed stunts and tricks. Builders can pull back the truck and watch it race forward to recreate exciting Monster Jam arena moments. This truck toy captures authentic details from the real Sparkle Smash truck with sparkling stars and an iconic unicorn horn for eye-catching styling. Kids can create their own imaginary Monster Jam events and adventures with this pull-back vehicle. Makes a fun birthday present or holiday treat for kids who love Monster Jam trucks and STEM toys. LEGO Technic sets feature realistic movements and mechanisms that introduce young LEGO builders to the universe of engineering in an approachable and realistic way. The LEGO Builder app includes digital tools that let kids track progress, zoom in and rotate models using 3D instructions. Contains 243 pieces.