An object of the present invention is to provide a method for producing a cell aggregate comprising a dopamine-producing neural precursor cell suitable for transplantation, a mixture thereof, and the like. The cell aggregates of the present invention include FOXA2-positive or TUJ1-positive nervous system cells, and include more than 1,000 cells.本發明之目的在於提供一種包含適於移植之多巴胺產生神經前驅細胞之細胞凝集體、其混合物及其等之製造方法。本發明之細胞凝集體包含FOXA2陽性或TUJ1陽性之神經系統細胞，且包含1000個以上之細胞。
