As you can see this robot has already been put together and it delivered my 50th birthday gift. Right now though you have to download the right apps to work this thing. It will come to you preloaded with batteries and when you turn it on you hear a click meaning it works. But this unit will only respond to commands and you can not do that without the right apps available online on the manufacturer's website.I do not accept returns for any reason but I assure any buyer, on my honor, that this robot works with the right tools. It is loose and made to be tightened up a bit but it's present condition is no hinderance to its functionality.