SIMPLE OPERATION-- Powered by 2 AAA batteries (not included); Simple push of the button and a light touch are all that¡¯s required to remove marks.Rubber eraser ergonomic design allows it to fit ...

Erasers are made of a unique blend of synthetic rubber or vinyl that can be used to lift marks on the surface of paper through abrasion. They are great for clearing away mistakes on paper ...

The eraser as we know it was discovered by John Priestley, a philosopher and scientist. Priestley, who also discovered oxygen and carbonated water, stumbled upon the properties of rubber (or ...