Insert the backer-board. Slide in the shelves. Reattach the door by clicking the hinges back onto their base.
*A _" Phillips screwdriver are all that is required for standard drywall installation.
If you happen to place an anchor hole over a stud, you will need a handheld drill and a _/_" bit. Use the included wood screw instead of the drywall anchor.
For installation on walls made of other materials (brick, tile, etc) alternative anchors are required and should be available at your local hardware store.