The relevance and feasibility of this study are determined by the absence of serious, scientific research, as well as teaching materials, when it comes to the use of Augmented Reality (AR) in teaching students and future teachers Descriptive Geometry, Engineering and Computer Graphics (DGECG). The purpose of the study is to examine the current…

This toy modification note presents illustrated instructions on how to build a battery interrupter that permits on/off control of battery-operated toys without modification of the toys themselves. The device allows for a separate control switch which can be custom designed to fit a handicapped user's needs. Information on the construction and use…