The holidays are nearly upon us, and shopping season is in full swing. There are plenty of science, and even genomics, gifts items for the buying. For the people who enjoy "FISHing," there is this ornament, though if proteomics is more their speed, try this one instead.
For the biologist who also likes to knit, aKNITomy has a pattern that will bring back memories of middle school science class. A caffeine molecule necklace like this one from Molecular Muse might work for the coffee-swilling scientist on your list.
Online marketplace Etsy is a treasure trove of handmade science-y items, like this set of felted paramecium magnets, this flair button, this DNA poster, and this tree of life T-shirt fit for a toddler.
You could also ask whether James Hadfield has any of these nifty cufflinks made from Ion chips left, in exchange for a donation to his institute.[He is also looking for some PacBio chips.]
Amoeba Mike also has recommendations, including this item for parents of young children: Nerdy Baby ABC and 123 Flash cards.