Preschool children need to learn to hold and manipulate a pen effectively before they can start writing, and this wipe-clean book will provide them with plenty of practice. The special pen provided goes on smoothly and evenly; when the child has finished - or if they make a mistake - simply wipe off and the ink leaves virtually no residue. Preschool children need to learn to hold and manipulate a pen effectively before they can start writing, and this wipe-clean book will provide them with plenty of practice. The special pen provided goes on smoothly and evenly; when the child has finished - or if they make a mistake - simply wipe off and the ink leaves virtually no residue.