The Girl found this group of Crucibulum Bird's Nest Fungus in our backyard. To give you some idea of the scale, the jagged green in the upper right of the first image is the edge of a strawberry leaf.
Each little cup is filled with minuscule "eggs" - each attached to the cup by a slender cord.
Last year I found a single cup attached to a twig at the local park and showed it to her. She knew exactly what she had found. Sometimes she does listen.