1,Light up LED plastic shaker. 2,Clear ps material. 3,2red ... ,Button on/off on the base. Specifications:1, light up LED Shaker.2,Clear PS material .3,1Red/1Blue/1Green ... inside .4,Button on /off switch on the bottom .5,3-AG13 Battery & Replaceable.Functions: ... Unscrew 2 screws to remove the light-board .Turn upside down and replace the 3 batteries . Out with screw driver.Then repeat ...