This Water Balloon Launcher Challenge is the perfect end-of-year STEM activity! With 13 editable pages, this hands-on project teaches students about force, energy, angles and motion as they design and build their own water balloon launchers. Ideal for enhancing critical thinking and teamwork, this activity engages students in real-world problem-solving while having fun. This 13-page editable resource includes: Parent letter for material donations Introduction & directions page for students to un