Our Object Screens are graduated along their bottom edge and are made from cardboard. The are used to receive shadows cast onto them by other accessories on an optical bench.
For use with our Student Model Optical Bench (#4-66000).
WARNING: This product can expose you to chemicals including nickel, lead, and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.