Anyone that knows me will know how i love crafting and encourage my daughter to join in and this six pack of plastic corks with led copper wire lights have had us spending the weekend finding bottles and other ways of using the lights and they look stunning when finished to . They come in a six pack and each wire has 20 little lights on the copper wire , which is attached to the cork , the cork is plastic and has an on / off switch to turn then on , they are battery operated which are included .