Looking for a Christmas gumdrop STEM activity that feels meaningful—not just festive? This Elf Bridge STEM Challenge invites students to apply the engineering design process as they design and test a bridge strong enough to help an elf deliver presents Santa left behind. Perfect for elf day activities, December STEM lessons, or end-of-semester engagement, this challenge blends creativity, problem-solving, and real engineering thinking into a fun and structured experience your students will l