This study investigated the use of participatory design kit as a tool for the design of individual units within an apartment tools through the literatures. Simulation was the method used for conducting the study. The results show that: 1) In general, design tools must be composed of a package of techniques, demand flexibility in its framework which adapts to a variety of situation, and the approach for project work must be comprehensive and systematic. 2) Design kits that are created to involve future residents in making decisions about the layout of their apartments, Improve the ability of those people to make various design. 3) Specifically, design kits that are developed as a means for making the user participation easy in an apartment housing complex, show the tool useful to an nonexpert.