At times, students have difficulty grasping abstract concepts. Visual interpretations are an excellent way for the instructor to demonstrate such abstract concepts. It's best to anticipate difficult abstract concepts ahead of time and be prepared with a visual representation to share with the students. If you find students need a break from routine work, an oppourtinity to draw or create models can sometimes do the trick. Ideas Display written directions visually, draw diagrams, design flow charts, sketch venn diagrams, etc.
Students can be very creative with limited supplies.
Encourage students to create a model of something specific using only the materials you provide for them. Visual image of reading. After students read a passage from a book or text, ask them to draw a visual representation of what they just read. This activity lends itself best to humanities and writing courses, but can also be done in the sciences and math too. Use interesting materials to get their attention.