看过别人制作的一些教具之后,人们往往会有这样的感受—一只要有必备的工具和材料,自己也可以把它们制作出来.的确,自制教具并不难,但要做得好,进而要求自行设计出比较理想的教具,可就不那么容易了.除了方法和技巧之外,还有指导思想的问题.也就是说,要有制作的基本功,还要有熟悉和掌握教具制作和设计的基本原则. After seeing some of the teaching aids produced by others, people often have such feelings - as long as they have the necessary tools and materials, they can also make them out. Indeed, self-made teaching aids are not difficult, but they must be done well. It is not easy to design an ideal teaching aid by itself. Apart from the methods and techniques, there is also the issue of guiding ideology. That is to say, there must be basic skills for production, as well as familiarity and mastery of teaching aids production and design. The basic principles.