The manufacturing steps of the blind box are as follows:

1. Preparation materials: cartons, colored cardboard, cardboard, scissors, glue and colored pens.

2. Open the top of the carton and take out all internal partitions.

3. Choose your favorite colored cardboard, cut it into different small box shapes and fill it in the paper box.

4. Cover each small box with a layer of transparent tape to prevent small toys or articles from falling.

5. The outside of the carton is wrapped with colored cardboard and fixed with glue or transparent glue.

6. If you want to add patterns or characters to the blind box, you can use colored strokes or write.