以一种文具为题按要求写一篇英语小作文。

要求：1.要写出此文具的主要特点。

2.条理清楚，意思连贯，标点正确，书写规范。

3.不少于50个单词。

参考范文：

My Pencil-box

I have a pencil-box. It is nice and big. It has many colours. There are two blocks on my pencil-box. One is yellow, the other is orange. In my pencil-box, there are pens, pencils, a ruler and an eraser. I like my pencil-box very much and my pencil-box looks like my best friend.