一岁半左右的幼儿,已经能抓着笔在各种地方涂抹乱画了。当他发觉用笔可以在许多东西上面画出一些弯弯曲曲的道道时,他会感到兴奋和惊奇,并由此而产生浓厚的兴趣。于是,橱门上,桌子边,精美的墙纸上,凡是孩子的脚步所到之处,都会留下他那乱糟槽的涂鸦。他还会惊奇万分地大声叫道: “妈妈快来看呀!” Children aged about one and a half years have been able to grasp the pen in a variety of places smear the doodle. He became excited and amazed when he realized that his pen could draw some winding paths on many things, and was thus deeply interested. So, cabinet doors, tables, beautiful wallpaper, where the footsteps of children will leave his mess of graffiti. He would shout in amazement: “Mom, let’s see!”