Interchangeable writing paper glass blank

The utility model discloses interchangeable writing paper glass blank relates to teaching writing implement, it includes that a four corners is equipped with square toughened glass board (6) of fixed orifices (10), upper and lower two of the transverse connection of square toughened glass board (6) is equipped with the bar aluminium frame (4) of inner groovy (11) and corresponding fixed orifices (10) respectively, set up between recess (11) of two upper and lower bar aluminium frames (4) and the space of square toughened glass board (6) can the pull plastic slab (7), the root that inserts account paper (8) plastic slab (7) between square toughened glass board (6) and plastic slab (7) is equipped with and hinders paper recessional small circle micelle (9), the one side of square toughened glass board (6) sets up circular limited slip pad (5) that prevent account paper (8) to cross the limit, the utility model discloses can write on the glass blank with whiteboard pen, go through paper to the PP plastics slab that can extract and thing at any time according to individual demand and take out to change to act and go through the pattern, it is can a board multi -purpose.