Frames Specialty Attach-A-Box Display Cases
Attach-A-Box
Types
Choose a type of wood for the box.
Depths
Choose a standard or custom depth for the box.
You will need the provided sides, and screws.

You will also need to obtain: wood glue, nails, screwdriver(screws are #2 square drives), and your frame.

Glue and nail the four sides together.
Put the screws(provided) in the pre-drilled holes on the inside corners of the box.
Center the box on the back of your frame, and then tighten the screws.
Your frame is now a Shadow Box!