Instructions: To activate your Color Morphing LED Maraca, press the black button located on the handle. With each push of the button, you can set it to a slow transition through the colors, singularly flash red, jade or blue, and lastly a fast flash of all LEDs leaving “color trails” when shaken fast enough. Dimensions: Height 7.25 in. / 18.41 cm. Width 2.25 in. / 5.71 cm. LED Colors: 1 Red, 1 Blue, 1 Jade Includes 3 replaceable AG13 Batteries.