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To activate the Star Light Color Changing Saber Sword press the button located the handle. There is only one light function, the LEDs slowly change color. Dimensions: Length: 22.75 in. Width: 2.37 in. LED Colors: Blue, Red, Green Star Light Color Changing Saber Swords include 3 replaceable AG13 Batteries. Packaging: Retail ready, individual poly bags, 12 pieces per inner box - 72 pieces per carton.