Help young learners explore engineering design, plant care, and nature-based problem solving with these Pollinator Garden STEM Challenge Worksheets: Design a Flower Waterer K–2. This low-prep printable STEM resource helps Kindergarten, 1st Grade, and 2nd Grade students investigate a real garden problem, choose safe materials, count and compare water drops, plan a prototype, record test results, improve a design, and explain their engineering thinking. Instead of completing a general flower or po