Letter B Tracing Worksheet. Learning letters is one of the critical activities for preschool children. Children start learning alphabets using many sizes and formats. Most children begin tracing letters using their fingers in mud, pulses, rice, etc., to understand letter formation. This letter B worksheet with big fonts is the first step to start letter tracing on paper. Kids can next move to smaller-sized fonts and master letter formation. Download the pre-writing letter worksheet and trace upper case letter B.