C-Preme: The Raskullz Bolt LED Fit System helmet has a light-up 3D fin hawk! Five LED lights illuminate the rubber mohawk with a steady light or flashing sequence. The lights are activated by a button located on the back of the helmet and will automatically turn off if left on. A sleek, easy-to-use fit system offers an adjustable, secure fit with a quick turn of the dial. The child size helmet is recommended for riders 5–8 years old, but will fit anyone with a head measuring 50–54 cm. Features5 Motion-Activated LED Lights Light Up the Mohawk in 2 Modes: Steady or Flashing3D Fin Hawk and Radical Printed GraphicsAdjustable Straps and Aerodynamic Cooling VentsRecommended for ages 5–8 years (50–54 cm)CE CertifiedAuto-Shut Off Feature to Conserve Batteries (2 x 3V CR2032 Batteries Included)