Whether you are inspired by the scary monsters in various folklore or those cute ones from cartoon series, you have come to right place. Check out this list of DIY monster costume ideas that will bring an imaginative fun to your Halloween dress up. They are very easy to put together despite of if you are a beginner.
Find everything from customizable monster costume accessories to Monster INC costume, Frankenstein to Cookie Monster and much more.
When we talk about DIY mythical character costumes, monster outfits are always kid's favorite. That's why we have compiled this collection of ideas with step-by-step guides to recreate them your own. Just scroll down, choose an idea, gather the supplies and follow through with this list!
DIY Cookie Monster Costume
Make a comfy Cookie Monster costume for a toddler with this step-by-step guide. This simple, low-difficulty project requires a blue hoodie, sweatpants and blue loop blanket yarn.
The yarn mimics Cookie Monster's fur beautifully, giving the costume a fun and fluffy appearance. A great tip is to space the yarn loops farther apart to conserve material without sacrificing the plush look.
Monsters Inc Family Costume
For a "Monsters Inc" family-themed costume, the creators skillfully made a simple and adorable outfit. They ended up with Mike, Sully, and Boo costumes. The Mike Wazowski costume uses lime green felt with an eye and mouth glued on, requiring minimal sewing.
Sully's look is achieved with a blue T-shirt adorned with purple felt circles, suggesting low difficulty. Boo's costume transforms a purple dog vest making the pet component irresistible.
Frankenstein's Monster Costume
Craft an easy, last-minute Frankenstein's Monster costume with a few supplies and simple steps perfect for kids. You'll need a cozy hat, craft foam, black and brown adhesive felt, and safety pins to create the iconic monster look.
It is completed with a zig-zag oval for hair and bolts for the neck. The costume is straightforward, showcasing a moderate difficulty level.
Monster Boo Costume
The Monster Boo costume is an adorable, non-scary outfit inspired by "Monsters Inc." ideal for babies. It features a purple baby outfit as the base, with eye-catching details like yarn hair glued to felt and large, expressive Styrofoam eyes.
The costume is easy to assemble with a minimal difficulty level. Key supplies needed are a purple baby outfit, purple felt, cream-colored yarn, and Styrofoam balls.
DIY Easy Pennywise Clown Costume
This costume features a peasant-style swing top with a double ruffle hem and basic pajama-style pants. It is adorned with large red pompoms, designed to resemble the eerie Pennywise clown from Stephen King's "It."
The supplies needed include white muslin, gray/blue dye, lace, and red yarn for pompoms.
DIY Vampire Costume
With a classic scary makeup and moderate blood drips and cheap plastic vampire teeth, this costume is perfect for Halloween. Assemble the costume using simple supplies: black pants, a white collared shirt, a customized black vest, and a pre-owned black cape.
The creation process is easy, making it perfect for last-minute preparations.
Monster Costume Accessories
Craft adorable monster costume accessories that are perfect for a quick and easy kid's Halloween costume. These accessories are designed to be paired with any outfit and has a colorful, customizable design using crepe paper or felt.
The difficulty level is beginner-friendly, requiring simple supplies such as crepe paper, a headband, black pipe cleaners, and tacky glue.
Kids’ Handmade Monster Costumes
Crafting handmade monster costumes for kids will become ajoyful family tradition with this guide. It features outfits like a DIY werewolf, a vampire princess with a focus on the princess aspect, and a unique baby mummy. These costumes, designed with children's imaginations in mind, require basic supplies.













