Green blackboard background chalk hand-painted PPT template

This is a set of chalk hand-painted styles on a green blackboard background, teacher open class PPT template, a total of 26;

The slide template uses a blackboard picture with a green wooden frame as the background. The PPT template cover uses a light bulb style educational icon combination as an embellishment. Fill in the PPT title of the teacher's open class on the right. The interface design is suitable for education, lectures, and lecture topics.