Enzyme kinetics is an essential process of life, but it is a concept that challenges introductory biology students. Most enzyme kinetics laboratory activities either use hazardous chemicals to visualize the enzyme product or do not afford quantitative analysis at all. We have designed an inquiry-based activity that provides insight into enzyme function and that is budget friendly, safe, and produces quantitative results. The materials required are household products, so this activity can be adapted even for online classes. Furthermore, we suggest options for a sequential, experiential experiment-design activity for students.