"Make Prototypes," step 12 in Jeanne Liedtka's 15-step Design Thinking methodology, suggests a more reliable method to test your design thinking concepts. By offering customers a vivid picture of your solution, creating a pre-experience, the feedback becomes more reliable. This 12-minute video is part of the Design Thinking video series meant to accompany any one of three cases (Arena Industries [UVA-S-0240], Trenton State College [UVA-S-0241], or Great Lakes [UVA-S-0248]) that explore the design thinking approach to innovative problem solving.