Top 10 Unicorn Rainbow Costume UK – Fancy Dress for Kids & Toddlers

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1. Pretty Princess

Girls Rainbow Unicorn Fancy Dress Up Costume Cosplay Party Outfit with Rainbow Tutu, Unicorn Headband and Wings 5-6 Years

Pretty Princess - Crafted for exceptional comfort by soft and breathable material. Size suggestion: 3-4 years: up to 104 cm; 4-5 years: up to 110 cm; 5-6 Years: Up to 116 cm; 7-8 Years: Up to 128 cm. Ideal gift for halloween, Birthday party, Christmas, fairytale roleplay or daily wear. Handwash in cold water only. 3-pcs unicorn costume set - 1x rainbow tutu, 1x unicorn hairband, 1x pair of wings. A unique rainbow unicorn outfit.
BrandPretty Princess


FMYFWY Unicorn Costume for Girls Rainbow Birthday Pageant Party Dress Halloween Christmas Ruffle Sleeve Tulle Long Ball Gown w/Headband 8-9T

FMYFWY - Fancy unicorn dress in pastel colors. Unicorn costume flower dress for girls 4-15 years. Lovely unicorn costume princess birthday dress for realizing little girl's princess dream, faux rhinestone and embroidered patchwork, friends or any unicorn enthusiast! This rainbow tulle pageant party dress features ruffle sleeve round neck bodice with soft lining, mesh spliced bodies with soft lining, making an amazing gift for your little princess, adds rainbow ruffled tulle details at sleeve and hemline, hidden back zipper, front embellished with chic flower, floor-length multi-layer tulle rainbow skirt gives a finishing touch.

Package include: 1 x dress and 1 x unicorn headband. Please check the last product image for size details before ordering. Beautiful, handcrafted unicorn headband will be the hit of any party or gift! Bounce and twirl, whimsy and sweetness.

Your little unicorn will be the center of attention in this stunning unicorn long maxi dress with cute unicorn headband. Perfect for birthday parties, wedding, daddy daughter dances, baby shower gifts, family and friends gatherings, Christmas, collection, Carnival, photography, special occasions, Halloween, daily wear, dress up, Baptism, performances, pageants, photo shoot, festivals, costumes, etc. Parcels would normally be shipped within 2-3 days and it'll take 8-15 days in transit if Prime sold out.
Part NumberFMY0228

3. Lito Angels

Lito Angels Girls Kids Rainbow Unicorn Dresses Costume Fancy Dress Up Outfit Halloween Party Age 7-8 Years Pink C

Lito Angels - Gorgeous dress featured with vivid unicorn / Little Pony rainbow pattern on the whole dress. Machine washable / tumble dryable. Zip closure at the back. Classic round neckline sleeveless. Made of comfortable fabric with full cotton lining.
BrandLito Angels
ManufacturerLito Angels

4. Wicked Costumes

Wicked Costumes Adult Unisex Rainbow Unicorn Animal Ears & Giant Tail Fancy Dress Accessory

Wicked Costumes - Adult unisex rainbow Unicorn Animal Ears & Giant Tail. Perfect finishing touch to your costume! Wicked Costumes. Includes:ears with Horn on Headband and Giant Tail Only. One size Fits Most.
BrandWicked Costumes
ManufacturerWicked Costumes
Part NumberWIKAC-9558

5. Lizzy

Rainbow Unicorn Tutu Costume, Lizzy Kids Angel Fairy Feather Wings Halo Fancy Dress Costume Cat Leopard Outfit Party Metal Gold

Lizzy - 3 layered polyester tutu skirts | length 30 cm | Waist Approx 42 cm unstretched / 84 cm stretched. Brand new high Quality Kids Tutu Costumes. Perfect for dressing up as a Angel, Devil, fairy or any other themes. Real feather angel wings, Tinsel Feather Halo Headband and Tutu sets. Would be great fun for fancy dress parties, Halloween, birthday parties, photo shoots or any dance wear costumes etc.
Weight0 kg (0 Pounds)

6. Wicked Costumes

Unisex Kids Ride on Fantasy Rainbow Unicorn Animal One Size 4-8 years Fancy Dress Costume

Wicked Costumes - Ideal for world book Day, Kids Party, Animal themed childrens fancy dress. Wicked Costumes. Kids ride on Fantasy Rainbow Unicorn. One size 4-8 years. Includes: One piece costume only.
BrandWicked Costumes
ManufacturerWicked Costumes
Part NumberKA-5919


BESTOYARD Unicorn Headband Rainbow Tutu Skirt with Striped Thigh High Socks and Long Gloves Adult Unicorn Cosplay Costume Set

BESTOYARD - Stylish and nice-looking design will make you like a princess. Perfect for any occasions, photography, Halloween costumes, bachelorette party, dancing, such as dress-up parties, school events, etc. The elastic waist band makes it easy to take on/off and stay in place. Several layers of tulle to give the tutu the perfect classic shape. Soft and fluffy, suitable for skin; Hand wash and hang air dry.
Height0.1 cm (0.04 Inches)
Length40 cm (15.75 Inches)
Weight0.06 kg (0.13 Pounds)
Width54 cm (21.26 Inches)
Part NumberUJ4F09A724S476FGH113YRKA


MYRISAM Unicorn Costume Princess Birthday Pageant Party Dance Carnival Long Maxi Tulle Fancy Dress Up Outfits Rainbow 11-12T

MYRISAM - Myrisam offers formal wear & dress ups for kids of all age groups, 6-8-year-old juniors, including 4-5-year-old preschoolers, 9-11-12-year-old preteens, and 13-14-16-year old teenagers. Fancy unicorn long maxi dress in pastel colors. Baby girls flower mythical costume fancy dress dance costume carnival cosplay princess dressing up unicorn birthday pageant party outfits evening gowns with headband ears horn headset.

This sleeveless dress is simply breathtaking and unique with its exquisite design and detail, mesh spliced bodies with soft lining, adds rainbow ruffled tulle details at sleeve and hemline, embellished with chic flower, concealed zipper closure, 1-layer pink tulle, 1-layer rainbow tulle, round neck, faux rhinestone and embroidered patchwork, 2 layers soft lining with netting for additional fullness. Bounce and twirl, christmas, photo shoot, wedding, baby shower gifts, this lovely unicorn long maxi dress with cute unicorn headband will let your imaginations soar! And your little unicorn will be the center of attention in this stunning unicorn tutu dress! Makes an amazing gift for your little princess, festivals, dress up, photography, whimsy and sweetness, special occasions, daily wear, collection, performances, friends or any unicorn enthusiast! Perfect for birthday parties, baptism, costumes, Halloween, pageants, family and friends gatherings, Carnival, dances, etc.

Please click our store “myrisam” and check out other high quality dresses which will give your little girl a chance to shine bright and feel comfortable.
Part Number0228

9. AmzBarley

Faux Diamond, S, AmzBarley 3Pcs Unicorn Rainbow Tutu Skirt + Hair Clip + Unicorn Head Hoop for Girls Party Halloween Costume

AmzBarley - Elastic waist tutu skirt with bowknot ribbon, S/M/L size, fits for 0-8 years. Girls chic unicorn rainbow pettiskirt with hair clip and unicorn hair hoop. Fashion and lovely, colorful tulle tutu skirt, popular in summer. The best unicorn gift for girls, making them be a real princess. Perfect for stage performance, costumes, ballet, party favors, dress up, and daily life etc.
Part NumberUnicorn Costume
ModelUnicorn Costume

10. amscan

Age 4-6 Years, 1 PC, amscan 842746-55 Unicorn Rainbow Dress with Headband and Warmers

amscan - It also includes a rainbow arm and leg warmers and a unicorn headband. Made of polyester fabric with a comfortable fit for a dazzling outfit. A purple bow sits at the waist above the layered rainbow-coloured tutu skirt with an attached tail in back. This costume features a colourful dress with lattice rainbow ribbon on the white velour top. Package includes 1 unicorn rainbow Dress. Use this costume for a Role-play, or Themed parties. Sparkle like a rainbow unicorn with our Unicorn Rainbow Dress with Headband and Warmers.
Height0.79 cm (0.31 Inches)
Length27.94 cm (11 Inches)
Weight0.39 kg (0.86 Pounds)
Width8.89 cm (3.5 Inches)
Part Number842746