Our new Trove Box sign kit is stunning! It is 10″ x 24″ the top slides back to reveal whatever you put in the hidden compartment. The compartment is 1/2″ deep, 8 1/2″ wide and 22.5″ long. It comes unassembled but is easily put together very much like our sliding top boxes. Simply use two 24″ frame pieces, one 10″ piece with a backer board and glue in place. The 8 1/2″ x 3/4″ piece is glued to the back (the side without grooves). Glue this 8 1/2″ piece both against the frame pieces and the backer board, this will hold your sign in place when you change out your shapes, this piece can be a couple of inches from the end, let this dry. I stained all of this part as well as the remaining frame piece. I did it after assembly so the glue had a raw surface to get a good hold. Paint (or stain) both sides of the remaining backer board and after dry, sand the edges and glue this and the remaining frame piece together.