Materials List: 
Muscles, Muscles Everywhere
                
                    
 
        
        https://www.teachengineering.org/activities/view/cub_human_lesson02_activity2
    
Each group needs:
- Pencils
 - Paper
 - Crayons
 - Books with images of muscle cells and/or muscle cell slides and microscope
 
        https://www.teachengineering.org/activities/view/cub_human_lesson02_activity2