Stocking stuffers?
small prezzis?
Trinkets
mini-gifts? haha
swag tchotchke junk Trinkets Token Viruses?
make it yourself gifts.
Jewelry
stocking stuffers
a hug
stocking stuffers
netbook
Light quanta - usually called photons.
Airpods?? gift card ring
the tiny little holes that appear on a leaf which is usually a fern or mosses are calles spores. spores are very tiny singe cells.
NB Arteries and veins are usually thought of as organs