Here are some unicorn-themed birthday party ideas for a 5th birthday celebration ^{1 2}:

1. Find your Unicorn Name (Ages 5-12)
2. Unicorn Coloring Pages (Ages 2-12)
3. Magical Rainbow Unicorn Necklace Making (Ages 6-12)
4. Embellish a Favor Bag (Ages 3+)
5. Craft a Unicorn Horn (Ages 3+)
6. Make Unicorn slime (Ages 6+)
7. Unicorn Ring Toss (Ages 5-12)
8. Play "Pin the Horn on the Unicorn" (Ages 4+)
9. Set up a photo booth
10. Have fun unicorn party games
11. Get the kids crafting