It is quite good to have this kind of instructional material because it can help and motivate the students to learn more and they can easily understand what topic is. It can engage their multiple senses in learning the topic. Aside of its benefits in teaching-learning process, there are also a disadvantages in using those instructional material, like it can use the teacher as killing the time in classes hour and if the students will not instructed properly, it can motivates them to search some pornographic videos instead of educational videos. It is good for the learning if it is use properly but it can deteriorate the learning if it is not use properly.
