A fun Christmas STEM Challenge for the winter holidays! Students will design a zip line vehicle to save an elf from a high place. This hands-on activity is an engaging design challenge that allows students to work in teams, apply the engineering design process, and connect math topics to real-world applications. Students will design a zip line to help rescue the elf! Elf Zipline Adventure STEM Activity Guide: Detailed teachers guide with links to resources Student handouts to guide them through