Rainbow Birthday Party Supplies

Shop decorations, tableware, invitations, party favors, and other Rainbow Birthday Party Supplies for a Pinterest-worthy celebration! You'll go dotty for creative and cute rainbow party decorations that can be used for grown-up birthdays and kids' birthday parties all year round.

Party City offers giant birthday signs, customizable letter banners, door banners, and extra-long foil birthday banners to cover every surface indoors and out for a rainbow party theme. Save time and money with all-in-one room decorating kits: value sets of coordinated rainbow decorations, including hanging paper fans, cutouts, and 3D table centerpieces. Your rainbow birthday party is sure to be picture-perfect — and that's before the guests have even arrived!

We carry a wide assortment of rainbow party favors to match the birthday theme, of course! Guests young and young-at-heart will love dressing up in matching rainbow party hats, noisy party horns and squawkers, and bead necklaces. Get everyone ready for the group photo!

With so many rainbow party supplies to choose from, you and your friends are sure to have a ball decorating for a rainbow birthday theme, let alone celebrating!

Decoration Kits

Rainbow Create Your Own Banner Kit
SKU:690657
$12.99
Qty -+
Rainbow Ceiling Decorating Kit
SKU:690664
$36.99
Qty -+
Rainbow Banner Decorating Kit
SKU:690655
$16.99
Qty -+
Rainbow Entryway Decorating Kit
SKU:690656
$28.99
Qty -+
Rainbow Photo Booth Kit
SKU:690659
$31.99
Qty -+
Rainbow Autograph Kit
SKU:690661
$13.99
Qty -+
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Table Decorations

Rainbow Dot & Chevron Birthday Confetti
1.2oz Confetti
SKU:654343
$2.99
Qty -+
Rainbow Birthday Confetti
1.2oz Cardstock & Plastic Confetti
SKU:701842
$2.99
Qty -+
Multicolor Happy Birthday Confetti
5oz Foil Confetti
SKU:442900
$8.99
Qty -+
Rainbow Birthday Spray Centerpiece
18in Foil Decoration
SKU:633160
$4.99
Qty -+
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Hanging & Wall Decorations

Rainbow Streamer
81ft Crepe Paper Streamer
SKU:396071
$1.99
Qty -+
Rainbow Mini Paper Fan Decorations 5ct
6in Paper Decorations
SKU:466610
$1.99
Qty -+
Rainbow Paper Garland
12ft Paper Decoration
SKU:466598
$3.99
Qty -+
Rainbow Birthday Swirl Decorations Kit
SKU:633170
$6.99
Qty -+
Multicolor Swirl Decorations 12ct
22in Plastic Decorations
SKU:420757
$3.99
Qty -+
Multicolor Paper Lanterns 3ct
9 1/2in Paper Decorations
SKU:420776
$6.99
Qty -+
Rainbow Fluffy Decorations 3ct
16in Paper Decorations
SKU:466594
$6.99
Qty -+
Customizable Rainbow Birthday Room Decorating Kit
SKU:633168
$9.99
Qty -+
Rainbow Decorating Kit 18pc
Foil & Paper Decorations
SKU:734362
$9.99
Qty -+
Rainbow Dot Birthday Photo Garland
SKU:754896
$7.99
Qty -+
Rainbow Dot & Chevron Birthday Scene Setter
65in x 75in Plastic Decoration
SKU:654340
$6.99
Qty -+
Customizable Rainbow Door Decorating Kit
33 1/2in x 65in Plastic Decoration
SKU:633165
$9.99
Qty -+
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Banners & Signs

Custom Confetti Bash Banner
As low as $19.99
SKU:661238
$10 off custom products with any $75 purchase using code INSCRIBE
See Price List
Add to Basket to Customize
Giant Rainbow Birthday Banner
65in Plastic Decoration
SKU:633158
$3.99
Qty -+
Metallic Rainbow Birthday Banner
25ft Foil Decoration
SKU:633156
$4.99
Qty -+
Prismatic Rainbow Happy Birthday Letter Banner
7 3/4ft Cardstock Decoration
SKU:633159
$4.99
Qty -+
Giant Rainbow Happy Birthday Letter Banner
11ft Cardstock Decoration
SKU:633157
$7.99
Qty -+
Rainbow Letter Banner Kit 84pc
SKU:633169
$9.99
Qty -+
Giant Rainbow Banner Kit
20in x 65in Plastic Decoration
SKU:633166
$9.99
Qty -+
Rainbow Birthday Sign-In Sheet
19in x 24in Paper Decoration
SKU:633167
$4.99
Qty -+
Rainbow Autograph Photo Mat
11in x 14in Paper Frame
SKU:633171
$6.99
Qty -+
Rainbow Birthday Blank Yard Sign
15in x 14in Plastic Yard Sign
SKU:633161
$5.99
Qty -+
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Balloons

Rainbow Twist Happy Birthday Balloon
17in Foil Balloon
SKU:686190
Save 10% off balloons with purchase of a helium tank
$2.99
Qty -+
Rainbow Balloons Happy Birthday Balloon
17in Foil Balloon
SKU:686214
Save 10% off balloons with purchase of a helium tank
$2.99
Qty -+
Rainbow Happy Birthday Star Balloon
17in Foil Balloon
SKU:686191
Save 10% off balloons with purchase of a helium tank
$2.99
Qty -+
Rainbow Dot Birthday Balloons 15ct
12in Latex Balloons
SKU:654353
Save 10% off balloons with purchase of a helium tank
$4.99
Qty -+
Rainbow Balloon Garland
9ft Latex Decoration
SKU:694114
Save 10% off balloons with purchase of a helium tank
$3.99
Qty -+
Rainbow Balloon - Giant
37in x 22in Foil Balloon
SKU:686218
Save 10% off balloons with purchase of a helium tank
$9.99
Qty -+
Rainbow Birthday Balloon Bouquet 5pc
SKU:635434
Save 10% off balloons with purchase of a helium tank
$16.99
Qty -+
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Solid Color Balloons

Caribbean Blue Round Balloon
17in Foil Balloon
SKU:453391
Save 10% off balloons with purchase of a helium tank
$1.99
Qty -+
Caribbean Blue Star Balloon
19in Foil Balloon
SKU:453393
Save 10% off balloons with purchase of a helium tank
$1.99
Qty -+
Rainbow Marble Balloons 15ct
12in Latex Balloons
SKU:632393
Save 10% off balloons with purchase of a helium tank
$3.99
Qty -+
Assorted Color Balloons 72ct
12in Latex Balloons
SKU:229504
Save 10% off balloons with purchase of a helium tank
$7.99
Qty -+
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Balloon Accessories

Caribbean Blue Foil Balloon Weight
5.5oz Balloon Weight
SKU:618398
$1.99
Qty -+
Caribbean Blue Star Balloon Weight
6oz Balloon Weight
SKU:618402
$2.49
Qty -+
Turquoise Curling Ribbon
350yds Ribbon
SKU:129854
$2.99
Qty -+
Balloon Quick Ties with Ribbons 50ct
SKU:443221
$2.99
Qty -+
Yard Balloon Stick with Cup
40in Plastic Stake
SKU:611479
$3.99
Qty -+
Plastic Balloon Clips 144ct
SKU:14131
$3.99
Qty -+
Balloon Pump
SKU:193
$4.99
Qty -+
Hi-Float Balloon Treatment
SKU:89075
$15.99
Qty -+
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Helium Tanks

Small Helium Tank 8.9cu ft
Ground Shipping Only
SKU:633299
Save 10% off balloons with purchase of a helium tank
$44.99
Qty -+
Large Helium/Air Tank 14.9 cu ft
Ground Shipping Only
SKU:633298
Save 10% off balloons with purchase of a helium tank
$54.99
Qty -+