I have heard of laserlight's but could not find one,my grandson got a hold of one and he gave it to me.I turned it on tonight for my cat's,They loved it!it was so funny watching them chase it,and trying to run up the wall!I about wet myself laughing!For a couple of minutes,I forget about the war.My youngest one [Grayski] was the funnest!I wish I had a video cammera[sp]!I was I had one of these before.