Here's information about the different materials used as pencil erasers and how they work. You can even use ordinary bread to erase pencil marks.
Tools On My Desk: Best Erasers for Colored Pencil — Vanilla Arts Co.
When the eraser on your mechanical pencil gets down to an
Pencils + Erasers Color Match Fine Motor Activity - LalyMom
ELI5: How do erasers work? : r/explainlikeimfive
The 9 Best Pencil Erasers of 2023
How to draw with an eraser - Quora
The 9 Best Pencil Erasers of 2023
Eraser Review: Helix vs. Hi-Polymer vs. Arrowhead pencil cap
How Do Pencil Erasers Work?
The 9 Best Pencil Erasers of 2023
Why Can Pencil Be Easily Erased Off A Paper, But Ink Can't