I bought this for my grandchild for Christmas, hoping to ease her into some of the basics of programming. The sphere has a very nice solid feel to it, and fits on the cradle nicely for charging. I also bought a Hexnub cover, and it is somewhat inconvenient that you seem to have to remove the cover to charge it, but it does go on/off pretty easy. There are two apps, one for just playing with the ball like a remote control car, and the other for programming. The "play" app is actually a lot of funSee full review