Kids race into competition with the LEGO Sonic the Hedgehog Silver's Car vs. Knuckles' Monster Truck (77118) building toy for boys and girls ages 8 years old and up. This building set lets kids construct 2 vehicles from the Sonic Racing: CrossWorlds console video game: a sleek white race car with fins for Silver and a red-and-black monster truck for Knuckles. Builders can use the included toolbox and tools to prepare the cars, set up the starting lights, then race to see who wins and collects the 2 Chaos Emeralds. This set includes the first-ever Silver the Hedgehog minifigure and a Knuckles minifigure, plus accessories including a rolling toolbox, tools, starting lights and 2 Chaos Emeralds in red and white. Makes a fun birthday gift or anytime present for kids who love Sonic toys, monster trucks and racing cars. The LEGO Builder app includes digital tools that make it easy for kids to save sets, track progress and zoom in and rotate models using 3D instructions. Contains 378 pieces.