I used really tiny shells (soup shells) and it really made a good amount of soup! (onedishkitchen.com)
, As kids get older, you can leave out the alphabets (or replace them with tiny shells, orzo, or other small pasta), but those letters floating around in the soup gives it great appeal to young eaters. (vegkitchen.com)
Another isotope, carbon - 13, captured in tiny shells, is more common in North Atlantic waters than in Southern waters. (ldeo.columbia.edu)