Using these unicorn click erasers is super easy. Just hold the eraser in your hand and click the top to extend the erasing part. Then, gently rub it over the pencil marks you want to remove. It's as simple as that! When you're done, click the top again to retract the eraser. As for the eraser, keep it away from sharp objects to avoid damage. Also, don't expose it to extreme heat or cold as it might affect its performance. If it gets dirty, you can use a dry cloth to wipe it clean. Have fun erasing with your cute unicorn eraser!