Sometimes we have the perfect activity. And sometimes...we don't. What do we do when our lesson plan just reads, "page 147"? Let's explore some low- or no-prep activities that transform our ordinary worksheets, lectures, & grading practices into novel, exciting, engaging learning experiences. Paper airplanes, ball pit balls, & plungers? And did we say low- or no-prep? Curious? Your students will be too. And they'll want to come back for more tomorrow.