Interlocking system of jigsaw pieces and careful use of color and pictures help children learn to recognize the letters and connect up the carriages in the right order, from A to Z.

• 拼图的连锁系统，图画和颜色的精心选择，为孩子们的字母识别提供了帮助，有助于他们把所有的车厢，按正确的顺序，从A到Z连接起来。