Elektrokidz are the first ever music–inspired collectables that dance to the beat of the music you are listening to! There are 6 unique Elektrokidz that come in 6 different finishes- including black matte and shiny gold. Each come with their own stylized shades. Each Elektrokidz also has its own special hair movement that dances to the beat and no two Elektrokidz hair dance the same way- so collect them all for the complete party!****Features:*** Hair dances to your favorite beats*** Comes in six(6) different styles*** Packages includes 1 Elektrokid- 1 Sunglasses- 2 Adhesive Tape- 4 Spare batteries.*** Requires 4 *LR44* Button Cell Batteries(installed)*** Beat detection - picks up lowest and/or loudest frequency and moves hair to that beat*** No wires no connectivity- it simply listens for the music**