Material preparation: paper and glue.
Operating steps:
1. A box for students to put pens, pencils, rulers, erasers and other stationery. Divide the paper into eight equal parts and cut it out.
2. Fold the four corners in half, and fold the two sections of 2 and 3, 5 and 6 and the four corners in half.
3, everting, folding into triangles, and fixing the four triangles with glue.
4. Overlap 1 and 2 with parts 3 and 4 and stick them firmly.
5. Fold the seventh part in half. Consists of an outer box body and an inner box body, wherein the inner box body is movably inserted into the empty surface of one long side of the outer box body, and the upper edge of the other long side of the outer box body is hinged with a box cover, and the box cover is hinged with two narrow box covers. The outer side of the short side of the outer box body is provided with a spring piece, which passes through the outer box cover and reaches the short side of the inner box body, and the short side of the inner box body is provided with a plurality of grooves matched with the ends of the spring piece. The automatic stationery box has that advantage that the automatic stationery box and the main body can be changed from large to small, and the automatic stationery box can adapt to the adjustment of the numb of placed stationery.