1, Pencil: Pencils are mainly used for writing and painting, and their refills can also be used to make jewelry.

2. Eraser: Eraser can erase pencil marks and correct typos. Some erasers also have the function of erasing pen marks.

3. Small schoolbags: Small schoolbags are mainly used to hold books, stationery and other school supplies. At the same time, under special circumstances, small schoolbags can also be used as a tool to protect themselves.