3D BOX has been supporting sport promotion among young children and youth for several years, being involved in organization of Wielkopolska Open Karate Championship. It is the biggest event of this kind in region. We realize the importance of sport for the youngest, which is a healthy alternative to hours spent watching television, surfing the Internet and playing computer games. That is why we are so eager to share our organizational knowledge and also support Wielkopolska Open Karate Championship financially.