Thank you so much, watching this video helped me somehow. I did everything correctly, but still no light. Then I watched this and... BOOM! Light! Thanks.
Yeah ... some kinda strange ... can't remember. Would definitely do now ... but it's super easy anyway. Every child could do. Just make sure the battery compartment is properly closed and seal aligned.
I am not a fan of the solid colors as they appear too washed out for me. In color changing mode, you get much richer or darker hues....there is just no way to stop on those colors....