Explanation:

- Option 1: Batteries

- Many batteries, especially car batteries, contain lead as a key component in lead-acid batteries.

- Option 2: Pipes

- Historically, plumbing pipes were often made of lead, leading to health concerns. However, modern plumbing largely uses alternative materials like copper or PVC.

- Option 3: Pencil

- The core of a pencil is made of graphite, a form of carbon, and not lead. The term "pencil lead" is a misnomer stemming from historical terminology.

- Option 4: Paint

- Older paints often contained lead for durability and pigmentation, although its use has been significantly reduced due to health risks associated with lead poisoning.

Correct Answer: Option 3: Pencil

The core of a pencil is made of graphite and does not contain lead.