Nephy asked for a Ball Pit, so here it is.
 
Ball Pit on Airship - Colorset Rows 1 (Pool) and 6-9 (Balls) can be used to change the colors.
Ball Pit on Plush Cushion - Colorset Rows 1 (Pool) and 6-9 (Balls) can be used to change the colors.
Single Ball on Cursor - Colorset Row 16 can be used to change the color.
handmade