When Toy day comes, Jingle will give you a bag full of items, and all of them will match with a villager of yours. You don't need to worry about buying anything other than a Santa Outfit.
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Also, based on the criteria, I'm willing to guess that this villager wants a moth orchid.
The presents are brought by Jingle. You have to dress in a full Santa outfit (which can be bought from the Able sisters shop) and you will give the gifts based on the clues your villagers gave you.
It's best to make notes of which villagers gave you which clues, to keep everything straight.
And if you correctly give everyone the right gifts, Jingle will give you his pic.
On Toy Day (December 24 at 6:00 PM or later), you'll find Jingle walking around town. Dress up in your Santa costume and Jingle will give you a bag of gifts. There will be one gift for each villager. You have to give your villagers the correct gift, using the clues they've been giving you. So that particular will probably get a plant that's in a white pot, for example.
Oh I got it now! I still thinking that I NEED to prepare the gift myself lol and still slacking for buying anything (luckily). Thank you for all the tips!!