Here's a checklist you can use for building your own first aid kit.

Plastic bandages Transpore tape Alcohol preps
Adhesive bandages Micropore tape Gauze
Extra large plastic bandages Iodine prep pads Fingertip bandages
Sterile pads Antiseptic towelettes Knuckle bandages
Antiseptic ointment Ammonia inhalant Sponge packs
Instant ice packs Sterile eye wash Elastic bandages
Eye pads Safety pins First aid cream
Bandage scissors Tweezers Butterfly bandages
Water tight utility box for contents Burn gel to treat burns Burn bandages
Adhesive spots Extra large strips Surgical tape
Sponges Pain reliever