This page uses data from the Miitopia Param Info spreadsheet, compiled by PibPasquale, Kobazco, and UglyFrenchFry.
Forest Nuts ★ are a big handful of cashews, almonds, walnuts and pistachios placed in a medium-sized brown bowl with a tan rim and triangle pattern. The color scheme, particularly of the bowl, may be based on the Owlet or "Eldest Fab Fairy" Owl enemies that drop it.