Knuckles the Echidna is the Guardian of the Master Emerald, which gives Angel Island its power to float in the sky. He is the last of the Echidnas- the islands native people. His name comes from his powerful fists, which allow him to punch through rocks. This tough RC car has a full function remote control and rubber tires allowing you to tear through the streets or throught the dirt. The working front lights help you to see where you are going during the day and night time. All you need to get started is 4 AA batteries for the car and 2 AA batteries for the controller. Grab yours quick and help Knuckles guard the Master Emerald!