Mrs. Ming Ming's First Worry

I hear that Mrs. Ming Ming in map is worried about something...

I ran into Mrs. Ming Ming in map, who is overcome with concern. She says there aren't enough decorations for the village festival, and asks you to get 10 Slime Bubbles and 20 items.

I brought back all the stuff Mrs. Ming Ming asked me for, but I'm sure these decorations are not the only things needed for the festival...