[Illustration:  Fig. 119.—­Plan of box kite with rear wings.]

Repeat these operations with the second strip of material, and you will have prepared your two boxes, each measuring, inside the pockets, 15 by about 20 inches. (See Fig. 119.) Now cut out the wings in accordance with the dimensions given in Fig. 120.  Each is 47-1/2 inches long and 15 inches across at the broadest point.  It is advisable to cut a pattern out of brown paper, and to mark off the material from this, so arranging the pattern that the long 47-1/2-inch side lies on a selvedge. [The edge of a fabric that is woven so that it will not fray or ravel.]

[Illustration:  Fig. 120.—­Wing for box kite.]

Double stitch tapes along the three shorter sides of each wing, finishing off the threads carefully.  Then sew the wings to what will be the back corners of the boxes when the kite is in the air—­to the “spares” outside the rod pockets of a long side.

Take your needle and some strong thread, and make all corners at the ends of pockets quite secure.  This will prevent troublesome splitting when the kite is pulling hard.

Sew a brass ring to each of the four wing angles, aa, bb, at the back, and as many on the front of the spares of the rod pockets diagonally opposite to those to which the wings are attached, halfway up the boxes.  These rings are to take the two stretchers in each box.

Slip four rods, after rounding off their ends slightly, through the pockets of both boxes, and secure them by sewing the ends of the pockets and by the insertion of a few small tacks.  These rods will not need to be removed.

The cutting and arrangement of the stretchers and the holes for the same require some thought.  Each stretcher lies behind its wing, passes in front of the rod nearest to it, and behind that at the corner diagonally opposite. (See Fig. 119.) The slits through which it is thrust should be strengthened with patches to prevent ripping of the material.

Two persons should hold a box out as squarely as possible while a stretcher is measured.  Cut a nick 3/8 inch deep in one end of the stretcher, and pass the end through the fabric slits to the ring not on the wing.  Pull the wing out, holding it by its ring, and cut the stretcher off 1 inch from the nearest point of the ring.  The extra length will allow for the second nick and the tensioning of the material.  Now measure off the second stretcher by the first, nick it, and place it in position.  If the tension seems excessive, shorten the rods slightly, but do not forget that the fabric will stretch somewhat in use.

[Illustration:  Fig. 121.—­Box kite with front and back wings.]