Rainbow Unicorn
Ages 3–6
Rainbows, glitter horns, and clouds of cotton-candy color.
Shopping List
3 Essentials8 Nice-to-Haves1 Optional Upgrade
Table
Rainbow Unicorn Party Supplies — 25 Guests
One set easily covers a 12-child party with extras for adults.
Why we picked it
This handles the plates, cups, napkins, straws, banner and tablecloths in one coordinated pastel unicorn set.
View on AmazonUnicorn Dinner Plates — 20 Count
Use these if you want sturdier dinner plates than those included in the main party set.
Why we picked it
These heavier plates are useful if you're serving pizza or another full meal rather than cake and snacks.
View on AmazonActivities
Glitter Unicorn & Rainbow Temporary Tattoos — 118 Designs
There are enough designs for every guest to choose several tattoos.
Why we picked it
This makes an easy arrival station that requires almost no setup and doubles as part of the favor experience.
View on AmazonFood & Cake
Rainbow Unicorn Cake Decorating Set — 29 Pieces
One set decorates one birthday cake.
Why we picked it
The unicorn, rainbow, stars and decorative balls make an inexpensive cake look custom.
View on AmazonUnicorn Horn & Eyelash Cake Topper
Use this instead of the larger cake kit if you want a cleaner, simpler unicorn cake.
Why we picked it
A gold horn, ears and eyelashes can transform a plain frosted cake with almost no decorating skill.
View on AmazonFavors
Unicorn Galaxy Slime — 36 Pack
Give each child two slime containers and keep the remaining 12 as extras or prizes.
Why we picked it
The colorful galaxy slime fits the magical theme and gives guests a substantial take-home favor instead of disposable filler.
View on AmazonOther
Rainbow Cloud Backdrop
Why we picked it
Pastel rainbow-and-cloud backdrop for the party table.
View on AmazonUnicorn Plates & Cups Set
Why we picked it
Glittery unicorn tableware for 16 guests.
View on AmazonUnicorn Horn & Ears Cake Topper
Why we picked it
Gold horn and ears topper for cake or cupcakes.
View on AmazonUnicorn Headband Favor Set (12-pack)
Why we picked it
A sparkly unicorn headband for every guest.
View on AmazonPin the Horn on the Unicorn Game
Why we picked it
A rainbow twist on the birthday-party classic.
View on AmazonPastel Rainbow Balloon Garland
Why we picked it
Full rainbow balloon arch with unicorn cutout.
View on AmazonAs an Amazon Associate, Listless Planner earns from qualifying purchases. Learn more.
Planning a Rainbow Unicorn party for a 3–6 year old? A magical, color-drenched celebration. Below is a ready-made shopping list — decorations, tableware, cake toppers, party favors, activity props, and balloons — plus everything you need to send invites, track RSVPs, and see who's bringing what, all from one link.
- What age is a Rainbow Unicorn party best for?
- This theme works well for ages 3–6. Rainbows, glitter horns, and clouds of cotton-candy color.
- How many kids should I invite?
- A common rule of thumb for younger kids is one guest per year of age — so around 4 guests works well here. For a bigger celebration, this theme scales comfortably to a larger group too.
- What's included in this list?
- 12 items covering decorations, tableware, cake toppers, party favors, activity props, and balloons, each with a ready-made Amazon search link so you don't have to hunt for products yourself.
- Can I customize the list?
- Yes — add, remove, or swap any item inside Party Planner, then layer on an RSVP page and a gift registry for the same party without starting over.