Engineering design challenges are a fun and effective way to integrate science content and engineering principles during an activity that students find engaging and challenging. This hands-on session provides attendees the opportunity to experience the steps of a design challenge as they work in teams to fulfill a client's needs by designing, creating, and testing a product that meets given specifications. Engineering design challenges provide an exciting method of incorporating higher-level thinking, problem solving, and student autonomy into existing classroom curriculum. Examples of student work and ideas for using design challenges in an elementary classroom are shared.