I tried it once and then never used it. I bought it to use when exchanging at a cafe, but I didn't need it because my smartphone was enough. I haven't used the pen since then, so I think the ink will still come out. How about it for your child's drawings or shopping lists? There's a magnet on the back of the pen, so it sticks to a whiteboard. There's also a magnet on the back of the whiteboard, so you can attach it to a refrigerator, etc.! Whiteboard, whiteboard pen