Using the tools and instructions provided build Sonic, Knuckles, their cars and the Chemical Plant Racing Tracks! The cars are motorized and require AAA batteries. Contains 1 x chaos emerald and enough track to build and rebuild your track in a number of combinations!
Engine : 2 Motor
Battery : 4 x AAA (Not Included)
Number of models : 1
Number of parts : 165+
Age : 5+