1. You can choose the same or similar gifts, such as buying four cross-stitches with the same pattern or a set of patterns, either large or small, and embroider them yourself and give them to them. If you are good enough, you can embroider each of your names or something. As long as you feel that it has meaning for a few years, it will be fine.
2. Or you can give a lady doll that is currently very popular on campus. There are various styles and patterns, and there will be a style similar to each of you. No one gives a doll that looks most like the other, so that you can put it on the desk in the dormitory together before graduation. Even after graduation, you can still take it to work and put it at home. The effect is not bad.
3. If you all like toys, you can also buy a toy for each of them. Girls should not be able to resist the resistance of dolls. You can give each of them a squinting rabbit, which I personally like very much. I think they should like it.