🏗️ Marshmallow & Toothpick STEM Challenge Kit | 3D Engineering Design Process Activities | Print + Digital | Grades 2–6 | NGSSLooking for engaging STEM challenges that go beyond simple building activities? This Marshmallow & Toothpick STEM Challenge Kit combines hands-on engineering challenges, the Engineering Design Process, STEM activities, design thinking, problem-solving, data collection, reflection, and creativity in one complete print and digital resource.Get students excited about STEM,