協助孩子更易掌握於單行線書寫字母。
尺寸:10'' X 17''。
詳情請參考英文版。
Designed to teach students to make and place all letters on double lines in both printing and cursive using the Wet-Dry-Try method. Size 10" x 17".
http://shopping.hwtears.com/downloads/bb.pdf