Step 1
Take a rectangular box, and then seal the edges with the help of a tape from all the corners of the box.
Step 2
Apply the glue over the box on all sides. Then, cover the boxes with the bright, different and plain colorful paper from all the sides.
Step 3
Take a craft knife and cut the mouth section easily and carefully. Cut two, rectangular and curved shaped mouth, in the middle of the box and one a bit lower than other.
Step 4
Mark and Cut variety of shapes to make eyes and nose from your left over paper stock.
Step 5
For final look of monster box accessorize with funny antennas on the head, some colored paper swirls to make hairs, and green triangle spots on the body.