I began letting one student at a time be the "View Master".
They would choose a slide and look at it. Their job was to use adjectives and describe what they were viewing. They were never allowed to tell us exactly what they were looking at.
All other students made inferences, based on the adjectives and descriptions given.
How do you teach adjectives? What is your favorite tool for reinforcing parts of speech? How do you spark the students' interest and creativity?