The main aim of this study was to examine the efficacy of various training approaches in team ball sports for the development of tactical creativity. Altogether, 135 children aged about 7 years took part in a 15-month field-based study. They participated either in non-specific treatment groups, a specific handball, soccer or field hockey group, or a control group. General and game-oriented tactical creativity were chosen as outcome measures. Our analysis of treatment-related effects showed that the non-specific groups displayed improvements in general creativity, whereas the specific groups showed improvements in the game-oriented creativity in which they were trained. Furthermore, clear transfer-related effects were observed. The analysis of group-related effects indicated no differences between the approaches. Only the soccer-specific group performed better in nearly all creative values. In conclusion, a non-specific concept appears to be a promising alternative to traditional specific treatments. This is further substantiated by several pedagogical, psychological, and medical arguments.