Use a knife to loosen the glue along the seams of the box so that you can disassemble it and lay it out flat.
Use the glue gun to reassemble the box inside out.
Cut the cup in half and glue the bottom of the cup to the front, right side of the front of the box.
Cut a 1inch section off of the toilet paper tube and glue it to the top, left side of the box.
Cut a few small pieces from the straw and cut the rest of the straw into sections. Glue one small piece of straw to the top right side of the box. Glue pieces of straw to the front of the box to add character.