Who doesn’t remember that two-tone eraser in their school pencil case? One pink side for erasing pencils, one blue side… for what? Erasing ink? Not really. This stationery accessory actually has several often-overlooked uses. And as you’ll see, its true function is much more practical than you mig

If you’re a DIY enthusiast or have ever assembled a piece of raw wood furniture, you’ve probably made pencil marks. To erase them without damaging the surface, a blue eraser is a valuable ally. It contains pumice, a granular material that acts like a gentle micro-sander . Ideal for removing pencil marks from wood without damaging it.

It also works on concrete walls

Construction professionals know this well: marking walls with a pencil is often essential for taking measurements. Once the work is finished, these marks must be removed. Thanks to its abrasive texture, the blue eraser allows them to be removed cleanly on surfaces such as concrete or plaster, where a conventional eraser would be ineffective .

It can be used on wallpaper (with caution)
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