Bring hands-on engineering fun to your classroom with this Card Towers STEM Challenge! Students use index cards and limited tape to design and build towers for height and stability while practicing teamwork, problem-solving, and perseverance.Run it as a quick 20–30 minute STEM activity or extend with included extensions, data analysis, and writing connections for deeper learning.⭐️ Resource includes:✅ NGSS aligned standards, Grades 2 – 8✅ Teacher TipsLinks to STEM Challenge How-To videosMaterial