The purpose of this research is to design simple technology for Science teaching aids that utilized the used materials. Based on the research result, there were three products of simple technology tools that can be used for Science teaching aids, they are: electrolyte test device, earthquake detector and flood detector. The advantages of the utilization of used materials are reducing production cost and reducing environmental pollution. The result of trial showed that those simple technology tools for teaching Science got a positive response from students and teachers.
Keywords: simple technology; science; teaching aids(10.14266/jefp14-1)