Windy City Novelties

21st Birthday Party Supplies

Get ready for some responsible debauchery with friends and loved ones. You can buy a drink, gamble and rent a car. Let us help you throw the ultimate 21st birthday party.

Showing 40 results

  • $6.40 Per 12 pack

    Happy Birthday Bead Necklaces
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  • $7.20 Per 5 pack

    Film Strip Photo Frames
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  • $5.00 Each

    LED Happy Birthday 12 oz. Cup
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  • $10.50 Each

    LED Birthday Cake Hat
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  • $1.90 Each

    White LED Crown Headband
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  • $1.30 Each

    Blue It's My Birthday Glow Badge
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  • $3.99 Each

    Birthday Girl Glitter Tiara
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  • $7.20 Each

    It's My Birthday Sash
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  • $3.60 Per 3 pack

    Number '2' Candles
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  • $3.60 Per 3 pack

    Number '1' Candles
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  • $4.20 Per 8 pack

    Birthday 7" Plates
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  • $5.70 Per 8 pack

    Birthday 9" Plates
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  • $4.55 Per 16 pack

    Birthday Lunch Napkins
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  • $4.25 Per 8 pack

    Glow Party Birthday 9" Plates
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  • $3.40 Per 8 pack

    Glow Party 7" Plates
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  • $4.25 Per 8 pack

    Glow Party Lunch Napkins
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  • $3.50 Per 16 pack

    Glow Party Beverage Napkins
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  • $4.25 Per 16 pack

    Glow Party Birthday Lunch Napkins
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  • $3.65 Per 8 pack

    Glow Party 9 oz. Cups
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  • $19.95 Per 48 pack

    Glow Mega 48 Piece Party Kit
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  • $4.75 Each

    LED Fiber Optic 14" Centerpiece
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  • $4.75 Each

    LED Fiber Optic 12" Centerpiece
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  • $4.50 Each

    Neon Green LED 12 oz. Cup
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  • $3.00 Each

    White LED Cork String Light Set
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  • $5.95 Each

    LED Pilsner 14 oz. Glass
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  • $5.70 Each

    LED 16 oz. Dimple Beer Mug
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  • $4.95 Per 8 pack

    Celebrate 9" Plates
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  • $3.85 Per 8 pack

    Celebrate 7" Plates
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  • $4.95 Per 16 pack

    Celebrate Lunch Napkins
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  • $4.05 Per 16 pack

    Celebrate Beverage Napkins
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  • $18.50 Per 30 pack

    Cheers 10 oz. Tumblers
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  • $3.60 Per 8 pack

    Balloon Blast 7" Plates
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  • $6.75 Per 5 pack

    Happy Birthday Whirl Decorations
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  • $6.30 Each

    Birthday Glitz & Gleam 15" Centerpiece
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  • $6.70 Per 8 pack

    Sparkling 9" Birthday Plates
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  • $4.60 Per 16 pack

    Sparkling Birthday Lunch Napkins
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  • $9.90 Per kit

    Sparkling Table Decor Kit
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  • $6.95 Each

    LED 7 oz. Martini Glass
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  • $7.50 Each

    LED Hurricane 16 oz. Glass
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  • $11.75 Per 100 pack

    Assorted Color Latex 12" Balloons
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Are you shopping for 21st party decorations? Shop our collection of 21st birthday party supplies, accessories, and favors to help your friend celebrate their 21st in style. Toast to this special milestone birthday using fabulous decorations for 21st birthday house parties including light-up drinkware like shot glasses and LED ice cubes. Put on your birthday sash and let the world know you're finally legal drinking age with a custom birthday banner. Be sure to stock up on all the light-up balloons, paper supplies, and other 21st birthday party supplies you need to ring in the new year of your life with the pomp and circumstance it deserves! Our light up straws, swizzle sticks and glow-in the-dark martini glasses are sure to be a hit! Looking for bright ideas for your friend celebrating their twenty-first? How about a beach party? Perfect for summer birthdays, mix up a few tropical drinks and get festive with our beach themed decorations. Our products are perfect for everything from an understated party with the family to a wild theme night (try a casino party before heading to the real thing!) or bar crawl with your new drinking buddies. Plus, we offer fast free shipping, affordable bulk pricing on select items.