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.
This product may contain lead, which is poisonous if ingested. Use gloves and safety goggles for protection. Seek medical help if ingested, wash hands thoroughly if handled incorrectly, and flush eyes with cool running water if for at least 15 minutes if any lead comes in contact with them.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.
California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.