Collect all the colored keys. You have to match the color of the key in order to collect it. Mixing primary colors makes the matching color of the key. color matching game,kids puzzle,educational game,brain training game,color recognition,color mixing,hidden object game,HTML game,puzzle game for kids,educational puzzle,fun game,cartoon game,kid-friendly game,color keys,primary colors,learning game,brain development,color skills,mouse click game,mobile game