Instructional written materials play important roles as teachers’ agents in effective teaching practices. Worksheets are one of the most frequently used materials. These have been used in teaching practices for a long time. In modern times, worksheets have even become a driving force of curriculum. This hands on tool can be useful in many ways in terms of academic achievement. For example, as supplements to textbooks, they can be used to add information for particular classes. In addition, blanks in worksheets are invitations for students to fill in gaps; they are opportunities for knowledge construction. At Sackhumvit worksheets are used every day. Not only its a cooperative endeavor for groups, it's also extremely engaging and we also noticed it improves handwriting too. Feedback from students is that they really enjoy learning this way.