Building a cupboard for my instruments

I am trying to build a awesome really BIG cupboard for all my music instruments. At the moment they are spread around my home – everywhere! I nearly broke my guitar yesterday, I slipped on my drum stick (yep, it was on the floor) and then went flying across the room and fell on top of my guitar. I now have a big bruise on the side of my arm, so I think it is time to sort my gear out. I have never built anything before, I reckon it will be super cool to give it a go!