The educational value of this activity is a great learning potential for elementary students. The quality of the content is organized, in-depth, and user friendly. If unable to perform the activity due to limited or no supplies, an alternative is a related link Science Friday suggests to further understand the material called Color Vision Simulator. The Color Vision Simulator lets the student tests the pathway of light at different colors and filters to see what color the person will see. This activity is fun and engaging – a good recommendation for understanding about color and filtering lenses.