Another thought...
International/National Friendship Day, could either be July 30 or August 1 depending on which you go for. There could be cute bracelets and more plushie items that could face each other. :3 Could possibly go for a 90's color aesthetic as a thought.
International Tea Day, May 21. Could be a cute tea set, or a couple different tea sets (classic china sets, glass, engraved metal, silver, etc.). Some little biscuits or cakes or treats to have on little plates with the tea. Some tea bags and/ or canisters. Also to show where the tea comes from, some tea plants that could be placed around a pet loose (on the ground) or in a pot. A couple different types of baskets. Some hair items with a tea flower on it, or cut like for a vase. A background of the beautiful fields they grow.
And along those lines, International Coffee Day, October 1. (There Is a national coffee day on September 29 as well.)
There could be so much done for coffee. 83 Various common and fancy cups of coffee. Barista aprons. A shelf to go behind the pet that could have coffee canisters or coffee pots placed on it. Different types of coffee pots, both old school classic and newer stuff. As like with the tea suggestion, a coffee plant (in any of the various stages). Spilled coffee beans. Bags of beans. BIG bags of beans (like ones the farmers might put them in). A hat one might wear while farming. Hair decorations or other decorations with the coffee flower on it. A background of a field of coffee plants. A background of a door to a coffee shop and maybe a little table outside.
Basically, with the tea and coffee days, I'd like to see both the enjoyment of something loved by so many, and where it comes from.