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

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SKU:690659
$31.99
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SKU:690661
$13.99
Some items in this kit are currently unavailable.Please contact customer service at 800-727-8924 for assistance with placing your order.
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Table Decorations

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1.2oz Confetti
SKU:654343
$2.99
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1.2oz Cardstock & Plastic Confetti
SKU:701842
$2.99
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5oz Foil Confetti
SKU:442900
$8.99
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18in Foil Decoration
SKU:633160
$4.99
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Hanging & Wall Decorations

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81ft Crepe Paper Streamer
SKU:396071
$1.99
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6in Paper Decorations
SKU:466610
$1.99
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12ft Paper Decoration
SKU:466598
$3.99
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22in Plastic Decorations
SKU:420757
$3.99
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9 1/2in Paper Decorations
SKU:420776
Save 20% with online promo code PCNVFLR!
$6.99
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16in Paper Decorations
SKU:466594
Save 20% with online promo code PCNVFLR!
$6.99
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Foil & Paper Decorations
SKU:734362
$9.99
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65in x 75in Plastic Decoration
SKU:654340
$6.99
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33 1/2in x 65in Plastic Decoration
SKU:633165
$9.99
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Banners & Signs

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SKU:661238
$10 off custom products with any $75 purchase using code INSCRIBE
As low as $19.99
See Price List
Add to Basket to Customize
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65in Plastic Decoration
SKU:633158
$3.99
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25ft Foil Decoration
SKU:633156
$4.99
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7 3/4ft Cardstock Decoration
SKU:633159
$4.99
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11ft Cardstock Decoration
SKU:633157
$7.99
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20in x 65in Plastic Decoration
SKU:633166
$9.99
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19in x 24in Paper Decoration
SKU:633167
$4.99
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11in x 14in Paper Frame
SKU:633171
$6.99
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15in x 14in Plastic Yard Sign
SKU:633161
$5.99
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Balloons

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17in Foil Balloon
SKU:686190
20% Off all foil balloons with $50+ purchase! Online Only.
$2.99
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17in Foil Balloon
SKU:686214
20% Off all foil balloons with $50+ purchase! Online Only.
$2.99
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17in x 17in Foil Balloon
SKU:748532
20% Off all foil balloons with $50+ purchase! Online Only.
$2.99
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17in Foil Balloon
SKU:686191
20% Off all foil balloons with $50+ purchase! Online Only.
$2.99
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12in Latex Balloons
SKU:654353
20% Off all foil balloons with $50+ purchase! Online Only.
$4.99
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9ft Latex Decoration
SKU:694114
Save 10% off balloons with purchase of a helium tank
$3.99
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37in x 22in Foil Balloon
SKU:686218
20% Off all foil balloons with $50+ purchase! Online Only.
$9.99
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SKU:635434
20% Off all foil balloons with $50+ purchase! Online Only.
$16.99
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Solid Color Balloons

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17in Foil Balloon
SKU:453391
20% Off all foil balloons with $50+ purchase! Online Only.
$1.99
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19in Foil Balloon
SKU:453393
20% Off all foil balloons with $50+ purchase! Online Only.
$1.99
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12in Latex Balloons
SKU:632393
Save 10% off balloons with purchase of a helium tank
$3.99
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12in Latex Balloons
SKU:229504
Save 10% off balloons with purchase of a helium tank
$7.99
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Balloon Accessories

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5.5oz Balloon Weight
SKU:618398
$1.99
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6oz Balloon Weight
SKU:618402
$2.49
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350yds Ribbon
SKU:129854
$2.99
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40in Plastic Stake
SKU:611479
$3.99
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SKU:193
$4.99
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Helium Tanks

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Ground Shipping Only
SKU:633299
Save 10% off balloons with purchase of a helium tank
$44.99
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Ground Shipping Only
SKU:633298
Save 10% off balloons with purchase of a helium tank
$54.99
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Rainbow Birthday Party Supplies Happy Birthday Party Supplies Happy Birthday Balloons Birthday Party Wearables