This study was conducted with two objectives: (a) to develop 3D geometry teaching strategies through SketchUp Make (SPPD-SUM). and (b) to study the effect of SPPD-SUM on visual-spatial skills (VSS). It was conducted in two stages. Stage I involved designing SPPD-SUM. https://yeswellneses.shop/product-category/hormonal-imbalance/