My daughter started with these sticks already with approximately +/- 2 years to paint. They are very good in the hands of (age-appropriate Choose variant). My daughter painted very happy with these pins. She has a lot of fun with it.
I must confess that they are not so good to remove from the hands - especially the reds. But I find not so tragic. For me is more important in the first place that they must be removed from clothing and furniture easily.
Finally leachable pins that hold the also deliver what they promise. I highly recommend these pens.
