Engage Sonic toy fans, boys and girls aged 8 plus with thrilling adventures in this Knuckles vs. Dr. Eggman Egg Crusher Mech (77005) LEGO® Sonic the Hedgehog™ set, full of features and functions. T ... his gift for gamers 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. 2 characters, Knuckles the Echidna and Dr. Eggman, are ready for role-play fun, plus, there’s 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 gaming toy. The cool Sonic playset works with other LEGO Sonic the Hedgehog™ sets in the range (all sold separately), and fans of the Blue Blur will love this play toy featuring their favorite gaming characters. Kids 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. Set contains 350 pieces.