1. Set of 4 Harry Potter letters, $18.69 etsy.com Includes a Howler, Harry's Hogwarts letter, a Ministry memo, and the Maurauder's Map (which isn't really a letter, but we'll let that slide). 2. "Always" Ornament, $16 Via etsy.com It's a more subtle reference, so only true Harry Potter fans will recognize its significance. You can also get it personalized for $2 more. 3. Mini book ornament set, $24 etsy.com The set includes tiny versions of each of the seven books. They don't open, so there won't be any tiny reading. 4. Golden Snitch ornament, $9 etsy.com Thankfully does not attempt to fly away from you. 5. Set of 3 Hogwarts house-colored ornaments, $35 etsy.com These are a bit pricey at $35 for a set of 3, but they look great and you can pick your favorite house color. 6. Potion bottle of iridescent Phoenix Tears, $12 etsy.com Excellent for healing basilisk-related wounds. This one doesn't come ready to hang, but a loop of ribbon or a hook will make it an excellent addition to your tree. 7. Time-turner necklace/ornament, $13.12 etsy.com These are technically supposed to be jewelry, but could also look great hanging on a tree. Also available with white and grey sand. 8. Maurader's Map "Mischief Managed" Ornament, $15.41 Via etsy.com Just don't tell Santa that you solemnly swore you were up to no good. 9. "Merry Christmas, Ya Filthy Muggle" hand-painted ornament, $10 etsy.com In case you needed a little Home Alone mixed with your Potter. 10. Engraved glass house crest ornament set, $27.45 etsy.com Includes five ornaments: one for each house, and one with the full Hogwarts crest. 11. Set of 12 bead/pixel character ornaments, $9.50 etsy.com Adorable and plentiful! 12. Wand ornaments, $9.99 (each) etsy.com The ornament chooses the wizard. Choose between Harry, Hermione, Voldemort, or Dumbledore (the Elder Wand). 13. Deathly Hallows symbol with year, $8.50 (each) etsy.com Choose your favorite house color. You can also add a custom Hogwarts letter for $5 more! 14. House elf tree topper, $93.47 etsy.com Who needs a star or an angel when you have a house elf? Don't worry, he's wearing a hat so he must be a free elf.