What product targets elementary school aged boys and has a Japanese manga created by Takafumi Adachi?
Beyblade: Metal Fusion: Beyblade: Metal Fusion, also known as Metal Fight Beyblade (メタルファイトベイブレード , Metaru Faito Beiburēdo ) , is a Japanese manga created by Takafumi Adachi, serialized in Shogakukan's monthly magazine "CoroCoro Comic" between September 2008 and February 2012. CoroCoro Comic:  Its main target is elementary school aged boys, younger than the readers of shōnen manga.
CoroCoro Comic