Laminate the page to make it reusable or place it in a plastic sleeve to protect the page. Download the file and print the page on cardstock. The lowercase bubble trace pre-writing activity can be printed from the pink button below. Our lowercase bubble trace fine motor printable activity includes alphabet practice in an engaging way! There are so many ways for preschoolers to practice letter formation and writing skills other than using a pencil. Sometimes, as preschool teachers and parents we need to think outside the box when it comes to setting up engaging learning activities.