Pdf. file of How to make a Giant Surprise Box.
The file contains the following:
Diagram of extended box (pen & gear box 27 x 15 x 17).
Diagram of all the sections needed.
Step by Step Instructions on how to build.
 
Additional Materials:
Tape or Hot Glue
Scissors or Xacto Knife
Measuring device
Writing utensil
Decor such as paper, balloons, ribbon, etc.