If the lightsaber does not light up, please check whether the battery is installed correctly.
1. Notice:
When installing the battery, the single battery on the left has the negative pole on top, and the two batteries on the right have the positive pole on top (correct battery placement as shown in the picture)


2. Regarding the problem of switching colors and turning off the Colorful lightsaber, the lightsaber has only one function button. This button controls the light and sound effects. It is also the same button that switches the light color. Pressing it to switch one color. If you want to shut it down, you need to switch all colors and then turn it off.

3.This product is easy to install, please assemble it yourself after receiving the package.
4.Two swords of the same type can be combined into one, with a cooler effect