Features:1. The arms of the robot toy can swing back and forth.2. When it works， the robot toy can Lighten and play music.3.This kind of robot can dance 360 rotating.4. The dancer robot can avoid obstacles.6. The robot machine needs 3 AA batteries. The batteries are not included.SpecificationProduct Name: Space RobotProduct Packing: Color Gift BoxProduct Size: approx 21.5*19*8.5cmBox Size: approx 20*26*9.5cmCommodity Weight: about 0.44gCommodity Material: ABS plastic， electronic deviceJump will rotate the robot will do the splitsPackage Includes: 1 X Kids Fun Electronic Music Light Dancing Robot