I took one star off, because the max volume level seems a bit loud to me for a childs ears, and another star off because we havent had them very long (we are three weeks beyond the window for a return to Amazon) and the sound has stopped working on one side. The instructions are easy to read and understand. Not only does it support my feet, keep them from hurting, but they look cute & can be dressed up or down. The best part is that u got three for an amazing price so now I have back up when my kids lose the boxes! I mean their okay but nothing special. im extremely hard on my mice and always keep a backup It rotates and swivels which is very weird, I?m not sure if it?s because of the angle they put it in, perhaps if it was tilted up more it wouldn?t happen. Easy to read, its written primarily as a dialogue between two characters, which you will quickly get the hang of. The size on them is wrong U. 95 shipping each, two packs per month.