Sonic the Hedgehog Knuckles Toy Race Car Set - Sonic Knuckles Gift Bundle with Sonic Knuckles Pull Back Racecar Plus Stickers and More (Sonic Race Car Set). This Sonic Knuckles gift set includes one pull back racer toy featuring Knuckles the Echidna sitting behind the wheel, measuring approximately 6.5 inches long and 3.25 inches tall. Sure to be a hit with Sonic Knuckles fans of all ages, this pull back race car toy is great to use as part of a gift basket, party favors, goodie bag fillers, and more! Pull back on the racecar and watch Knuckles race away! This racing toy is sure to provide hours of fun for the Sonic the Hedgehog fan in your life. Officially licensed Sonic the Hedgehog Knuckles pull back racer set for kids of all ages, boys and girls alike, also includes stickers and a Rex-Man door hanger.