Teaching appliance for improving teaching convenience

The utility model discloses a teaching aid for improving teaching convenience. The utility model relates to a teaching aid for improving teaching convenience. The teaching aid comprises a polyhedral box body, an ink box, a static sheet and a control chip. Wherein different printing surfaces with preset patterns are respectively arranged on each side surface of the multi-surface box body. The ink box is arranged in the box body and supplies ink to the printing face. The static sheet is arranged on the inner side of the printing face and used for adsorbing printing ink in the ink box to the printing face. And the control chip is arranged in the multi-surface box body and is electrically connected with the static sheets. According to the teaching appliance for improving teaching convenience, through mutual cooperation among the ink box, the static sheet and the printing surface, corresponding central diagrams and illustrations can be printed through selection of different shapes on the multi-surface box body, th