In this chapter, learning about plant structures helps students design water collection devices. This chapter describes the final lesson in a seven-day STEM and literacy unit that is part of the Picture STEM curriculum. The engineering design component of this STEM unit made it possible to tie students’ mathematics and science learning together in a real-world context that highlighted problem solving as well as generating and testing multiple solutions. A materials list, teacher background information, assessments, and outcomes are provided. This book selection includes the Table of Contents, Introduction, Acknowledgment, References, Internet Resource, and Index.