Bakugan Battle Brawlers, Juusen Battle Monsuno Recommendations
Both are aimed at a younger audience, and both have humans training/ battling with monsters.
Both are shows I really enjoyed as a kid, they have a similar set of main characters and the games they play are similar. Throwing monsters out of a tube or a ball and then they battle with eachother. They are both great for developing your kid's mind.. just look how I turned out