This density rod set can be used to study the relationship between both mass and density. The five rods are equal mass. The five different materials are PVC, brass, polyethylene, aluminum and nylon. All rods have a diameter of 12mm but vary in length.
WARNING: This product can expose you to chemicals including lead, 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.