To activate your Light Up Expandable Multicolor Neon Swords, remove pull tab and press button located on handle. Features Collapsable, expandable sword with 4 distinct shell colors Light Up Expandable Multicolor Neon Swords Specifications LED Colors: Blue Batteries: 3 Replaceable AG3 Batteries pre-installed Printable: Yes Mode: Flash, Blink, Steady Collapsed Dimension: 12.25" x 2.5" Expanded Dimension: 26" x 2.5" Weight: 0.25 lbs