Early development in skills such as spatial reasoning, mental rotation, and spatial scanning directly predict the future success in STEM fields. Young girls are not as exposed to these vital skills because of gender norms and societal roles. In essence, Her World! connects two different components, spatial awareness and STEM education, and brings them together through interactive technology. The interaction with video games, in particular, can significantly reduce the gender gap in spatial awareness and mental rotation abilities. Her World! aims to make a real impact by educating as well as empowering young girls that they are capable of so much while having fun through video games.