... sound toys, Musical dancing doll, Dancing doll module, dancing doll/activated toys,ideal choice for kidsAge: 3+1. Dancing with the music and move front ... left and right,Also can control the dancing speed.2. Sound duration:Any long music by your wish.3. Certification: EN71/ASTM ... by user.6. Components: electro-motor,sound IC,ABS house , Speaker(20-40 mm),battery.7. Size: according to customer needs ...