Here are the things you will need to complete this project.
Tools you will need:
Random orbital sander
4′ levelMaterials/Supplies you may need:
(4) Large wood crates
(1) Half wood crate
(2) Small wood crates
(2) 8′ 1×4 pine furring strips
(3) 18″ full extension drawer slides
1-5/8 wood screws
Depending on your actual closet size and configuration you may need more or less material.
To see how Brad puts it altogether, visit fixthisbuildthat.com