tools for a job???

Hey guys, im planning on lowering my car today with the skunk2 springs i got a few days ago. I was wondering what tolls i will need and about how long it will take for 3 kids to do, on has done it before and the other 2. including me are learning. so i was just wondering what tools i will need
thanks guys, you are great
charlie

Do an AF search...this topic's been covered ad-nauseum in the forums.