"crafti" is the Catalan acronym for "Method for the Control and Regulation of Physical Activity of Children through a Novel Platform for Full-body Interactive Experiences called the Interactive Slide". The goal of this research is to provide design and technical methods to control and modulate the quality and amount of physical activity of groups of children playing on the Interactive Slide (UPF Patent), a large inflatable slide that is augmented with interactive technology. "crafti" is the Catalan acronym for "Method for the Control and Regulation of Physical Activity of Children through a Novel Platform for Full-body Interactive Experiences called the Interactive Slide". The goal of this research is to provide design and technical methods to control and modulate the quality and amount of physical activity of groups of children playing on the Interactive Slide (UPF Patent), a large inflatable slide that is augmented with interactive technology.