Electric Kids Ultimate Rock Guitar Star Lights and Music Toy Guitar (Colors May Vary) Perfect for Your Little Rock Star! Electric Powered, Bright Vivid Colors! Length: 17.5" ! Perfect for your little rock star! Electric powered bright vivid colors! Nicely finished! Colorful lights and buttons! Plays music! 4 strings. Integrated tuning knobs requires 3 aa batteries to run (not included) length: 17. 5".