How to make a perpetual calendar in kindergarten?

Box, black magic pen, colored pen, thumbtack, glue gun, etc.

Making steps of perpetual calendar:

First, cut the box into a size suitable for chatting, draw a calendar on it, and draw some bronze LED signboard markers without numbers in the first line for cartoon painting.

Why not stick double-sided tape or glue stick on the back? Because in the end, the thumbtack will hurt when it protrudes.

Stick a layer of corrugated paper on the back.

Then start making numbers, cut the paper into the size of a chat with a knife, draw a dotted line on the edge with magic strokes, and write the numbers in the middle.

Fix the thumbtack on the back of the number with a glue gun. If there is no glue gun, you can also use double-sided tape or glue stick.

Look, it's nailed. Issue 3 1 Tianjin invoice. Although the whole production process takes about one and a half hours. But in the end, the effect was much better than expected, so I am very happy. Oh, la la la la.

Have you learned to make perpetual calendars by hand?