This research was conducted to develop the multimedia of colloidal systems as an enrichment media for vocational high school students in chemistry class and to know the quality of the multimedia. This was a research and development study. Developmental procedures used in this research were adopted from Borg and Gall development procedures consisting of six phases including: collecting information, planning, developing the preliminary form of the product, validating and revising the product, assessing the product, and revising final product. The products were validated by one content expert and one media expert and reviewed by three peer reviewers. The advises from the experts and the peer reviewers were used to improve the initial product. The assessment of the product was carried out by five reviewers based on six aspects of the criteria, included: content feasibility, language, visual-display of media, audiodisplay of media, media programming, and expediency of the media. The product.....

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