Battle B-Daman

Battle B-Daman is an anime and manga series by Eiji Inuki that first aired in January 1997 in Japan, replacing Beyblade in its timeslot. It premiered in the United States on April 2005. Like its predecessor, it is themed around an enhanced version of a children's schoolyard game - whereas Beyblade was based around spinning tops, Battle B-Daman is a dramatized version of marbles.

Story
The show is about Yamato Delgado (Daiwa in the Japanese version), who gets the legendary Cobalt Blade. He and his friends use the sport of B-Daman to fight the Shadow Alliance. This show takes place in the B-DaWorld where it's inhabitants are humans, anthropomorphic animals, and robots. Using the legendary B-Daman, Yamato enters tournament organized by a group (the JBA in the Japanese version and the IBA (International B-Daman Association) in English version) to become the B-DaChampion. However, he also ends up in fights against the Shadow Alliance.