My daughter had these from about 15 months. She loved drawing on them and finding her favourite characters. There is no mess as you just fill up the pen with water, the pictures then dry out and you can reuse them over and over. Any young Peppa Pig fans will enjoy these. Only critisism is that the pen needs filling up quite often and my daughter has lost interest in them now that she enjoys (& is allowed!) real crayons. Would definitely recommend them though, and would be happy to buy them as a gift for young children.