1. Check whether there are other people or objects around who may move or hide the magnetic book box. Sometimes, the book box may be misplaced or blocked by other objects, so make sure the surrounding situation first.
2. Think carefully about the last time you used the magnetic book box. If you can find the last place to use the bookcase, it is likely that the bookcase is near there. Think back to whether you put the book box in an inconspicuous place or accidentally put it under other items.
3. Ask people around if anyone has seen the magnetic book box. You can ask people you have come into contact with, such as family, friends and colleagues. Sometimes others may help find or provide clues.
4. Check whether your belongings have been taken away. Sometimes the magnetic book box may be put into other backpacks or packages by mistake, or taken away. Check your backpack, package, clothes pocket, etc. See if there's anything that doesn't belong to you.
If you still can't find the magnetic book box after trying the above methods, you may need to consider buying it again or looking for a substitute. It is also possible that things may be lost or misunderstood forever.
I hope the above methods can help you find the magnetic book box. If you can't find it, consider replacing the magnetic book box or buying other similar products.