These worksheets would be a great way to start developing your kids ability to recognize, trace and write letters/ alphabets, in both lower and upper case. Even though a significant amount of time will be spent in developing pincer grip and writing skills in the kindergarten, there is no harm is starting earlier at the pre-school and pre-K age.
Below is the sample worksheet for the letter A, which as you can see has the option of first tracing with a crayon, coloring objects starting with the letter A, followed by tracing the letter (upper and lower case) and a blank line to practice writing the letters.
Sample:
