Engage Sonic fans with thrilling adventures in this LEGO Sonic the Hedgehog Knuckles vs. Dr. Eggman Egg Crusher Mech (77005) toy for 8+ year old boys and girls, full of features and functions.This building set includes a hands-on posable toy mech with an opening cockpit, rotating 6-stud launcher, a massive spinning claw and articulated limbs for interactive play. Two LEGO minifigures, Knuckles the Echidna and Dr. Eggman, are ready for role-play fun, plus, theres a hoverboard, a catapult toy with 2 boulders, 3 Gold Rings and 2 Chaos Emeralds.Any action-loving kid will be proud to own this Sonic toy. It works with other LEGO Sonic the Hedgehog sets in the range (all sold separately). Kids can also enjoy an easy, intuitive building adventure with the LEGO Builder app, where they can zoom in and rotate models in 3D, save sets and track their progress.Sonic the Hedgehog building set for kids This Knuckles vs. Dr. Eggman Egg Crusher Mech building toy for 8+ year old boys and girls inspires fun stories with multiple play options and 2 charactersDr. Eggman toy mech to build This gaming toy for kids features a posable mech, a hoverboard, a catapult with 2 boulders, 2 Chaos Emeralds plus Knuckles and Dr. Eggman charactersHands-on brick-building fun The posable mech toy has a 6-stud rotating launcher, giant spinning claw and articulated limbs to inspire play, and its easy for young gamers to take on playdatesLEGO mech adventures Also includes a catapult with terrain that launches boulders with a lever push, letting young fans of Sonic toys play out endless action with Knuckles and Dr. EggmanGift idea for gamers A fun gift for 8+ year old boys and girls, featuring Knuckles, Dr. Eggman and a mech for kids who love gaming, hands-on building toys, LEGO bricks and Sonic figuresA fun way to build The LEGO Builder app guides kids on an intuitive building adventure where they can save sets, track progress and zoom in and rotate models in 3D while they buildCreative LEGO building sets The LEGO Sonic the Hedgehog playsets introduce kids to fast-action fun and imaginative play with different characters and story possibilities in each setThe mech toy stands over 15 cm (6 in.) tall and the catapult with terrain measures over 4 cm (1.5 in.) high, 6 cm (2 in.) wide and 7 cm (3 in.) deep. Contains 350 Pieces.