Elektrokidz - United By The Beat! Elektrokidz are the first ever music-inspired figurines that dance to the beat of the music you are listening to! Each series has six unique Elektrokidz that come in different finishes colors and patterns. Each comes with their own stylized accessory. 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 a complete party! Features include; Dancing Hair Beat Detection Picks up lowest and/or loudest frequency and moves hair to that beat. No wires needed for connectivity it simply listens for the music. Requires Batteries: 4 x LR44 WowWee Elektrokidz Music Series Tempo Electronic Pal Hair Dances to the Beat Music-inspired collectables that dance to the beat of any music you are listening too 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 Check out the 6 different Elektrokidz with 6 different hairstyles each hairstyle has its own unique way of dancing to the beat - Requires 4 LR44 batteries recommended for ages 6 and up Brand is Wow Wee