End-of-Year Middle School Dodecahedron Activity – Reflection & Fun Project for Any Subject! This activity can be completed without a student computer! Looking for a meaningful, low-prep, and creative activity to wrap up your school year? This End-of-Year Dodecahedron Project is a fun way to keep middle school students engaged, reflective, and proud of what they’ve learned—all while creating a colorful 3D keepsake to celebrate their growth! Designed for grades 5–8, this versatile project works