In designing and building a device to help teach children with the purpose of study 2: (1) to design and build the device helps teach children, (2) to apply the knowledge learned to practice in creating devices help teach kids walk by with one assumption is to design and create a device to help teach children to have higher performance than ever before. Samples used in this study are experts in mechanical design. Have the educational background of no less than seven bachelor who selected by the way (Purposive Sampling), a tool used in the study include teaching aids, children and query evaluation quality of teaching AIDS children, which is a 5-level scale value, the statistics used in the study is the percentage (Percentage) average (Mean) and standard deviation (Standard Deviation) of the study are as follows:
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