The verarbeituung the Lichterr are great, even in children. We bought 6 pieces. In leaflet is that you can also change the lighting effect. Pressing a button on the box. Unfortunately, the box had to press any buttons. All 6. a preinstalled confused-switched light pulse has the for epileptics certainly is not fun. I have a string of lights with light Smoothen light gewünsch not so violent flashes as at the fair. At Christmas unfortunately an absolute flop. Perhaps to use the party room .... but since no more than 2 hanging otherwise you have an animal in the corner of my eye twitching.