The proces of mixing a solution is something that is often done in the laboratory to homogenize two or more liquids in a container. To obtain a good result, so then used a mixer or shaker tool that serves to expedite the process of mixing solution. Belly dancer serves to homogenize or mix a solution on a small scale in a container. It works using a motor with a rotation speed of 100 rpm. In case, mixing proces of solution need a fix speed at the certain time to keep the solutioan quality is being well. So that, the author develops the belly dancer which is complemented with timer. Base on measurement s that have been done, that comparison between the measurement values obtained timer and stopwatch are not much different. The highest error rate is 0,05%. Based on the experiments, testing tools and data collecting in general, it can be concluded that ‘belly dancer structure equipped with a timer’ can be used