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. Material: plasticSize: approx. 21x13x8cmBattery: 3 x 1.5V AA batteries (Not Included)Color: As shown in the pictureNotice: It must be put on the flat ground and held before dancing Pakege Including:1 x Space dancer Robot Toy ( not including batteries)