Wednesday Addams Light Up Costume Girls Will Love
This is the Wednesday Addams light up costume girls have been waiting for. Known as Merlina to Spanish-speaking fans, Wednesday’s iconic gothic style comes alive in this glowing dress with built-in LED lights that shine in the dark — perfect for Halloween night, costume parties, and spooky photo shoots. With 13 styles to choose from, including glowing costume sets plus a Merlina wig, matching accessories, and even prosthetic hands inspired by Thing, every little goth girl can find her perfect eerie look. Available in true kids’ sizes 3-4T, 5T, 6T, 7-8T, 9-10T, 11-12T, and 13.
Why She’ll Love This Light Up Wednesday Costume
Every detail of this Wednesday Addams light up costume is designed for maximum spooky fun and all-night comfort. The classic black dress with Wednesday’s signature white collar captures her unmistakable style, while the built-in LED lights add a magical glow that makes her stand out after dark. The soft, breathable fabric keeps her comfortable through hours of trick-or-treating and partying, and the easy-to-wear design means she can dress herself. Whether she’s channeling Wednesday’s deadpan wit or just loves to glow, this costume delivers.
13 Styles to Choose From
One costume, so many ways to be Wednesday. Choose from glowing LED costume sets in different designs, or complete the transformation with our Merlina wig, matching gothic accessories, and prosthetic hands inspired by Thing himself. Mix and match to create a one-of-a-kind look, or grab the full set for the ultimate Wednesday Addams transformation. Each of the 13 styles is crafted with the same attention to eerie detail.
True-to-Size Fit for Kids
Finding the right fit is easy. This Wednesday Addams light up costume for girls comes in sizes 3-4T, 5T, 6T, 7-8T, 9-10T, 11-12T, and 13, covering little kids through young teens. We recommend choosing her usual size for the most comfortable fit, and checking the size chart if she is between sizes. A well-fitting costume means she can haunt the neighborhood in comfort all night long.
Perfect for Halloween & Beyond
This versatile costume shines at every spooky event on your calendar. It’s a show-stopping Halloween costume, a fantastic choice for cosplay conventions, themed birthday parties, school dress-up days, and carnival celebrations. Pair it with braided pigtails and a pale, gothic makeup look to complete the Wednesday transformation. Browse our full Halloween Party Costumes collection for even more eerie inspiration.
Complete the Wednesday Look
Make it a full Addams Family affair. Explore more of our Halloween party costumes for siblings and friends, from witches to vampires and everything in between. With free shipping on every order, it’s easy to costume the whole crew for one spooky night.
Frequently Asked Questions
What sizes does this Wednesday Addams costume come in?
This light up costume for girls is available in kids’ sizes 3-4T, 5T, 6T, 7-8T, 9-10T, 11-12T, and 13. Choose her usual size for the best fit.
What is included with the costume?
Choose from 13 styles: glowing LED costume sets, a Merlina wig, matching accessories, and prosthetic hands inspired by Thing. Each style includes the items shown in its product photos.
How do the LED lights work?
The built-in LED lights are battery-powered and designed to glow for hours — perfect for nighttime trick-or-treating and parties.
Is shipping free?
Yes! This Wednesday Addams light up costume ships with free shipping, so there are no surprise costs at checkout. Delivery times vary by location, so order early for Halloween.
What occasions is this costume good for?
Halloween, cosplay conventions, themed parties, carnivals, school dress-up days, and photo shoots — this glowing Merlina dress works for them all. Shop now and let her shine in the dark!
This is the Wednesday Addams light up costume girls have been waiting for. Known as Merlina to Spanish-speaking fans, Wednesday’s iconic gothic style comes alive in this glowing dress with built-in LED lights that shine in the dark — perfect for Halloween night, costume parties, and spooky photo shoots. With 13 styles to choose from, including glowing costume sets plus a Merlina wig, matching accessories, and even prosthetic hands inspired by Thing, every little goth girl can find her perfect eerie look. Available in true kids’ sizes 3-4T, 5T, 6T, 7-8T, 9-10T, 11-12T, and 13.
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