Our Costumes Starting with M collection is full of magical, mischievous, and memorable looks that work for every event.
Bring fairytales to life as a Mermaid, step into fantasy as Maleficent, or be adventurous as Mario. Choose a Medieval Monk or a Musketeer for history themes, or go monstrous as a Mummy or Monster. Kids will enjoy Minions costumes, while film buffs might prefer Men in Black.
These M costumes suit Halloween, school dress-up days, and alphabet parties. They’re fantastic for groups too—Mario and Luigi duos, Musketeer trios, or a mix of Monsters and Mummies. Available for all ages, you’ll find something magical for everyone.
To expand your choices further, explore our complete A–Z fancy dress category and see costumes for every letter.
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Monster High Frankie Stein Adult Costume -
Kids Mummy-Ista Costume -
Adult Mad Hatter Costume -
Kids Frankie Monster Costume -
Kids Deluxe Mermaid Princess Costume -
Monster High Clawdeen Wolf Kids Costume -
Monster High Draculaura Deluxe Kids Costume -
Minion Kids Girls Costume -
Monster High Frankie Stein Kids Costume -
Kids Girls Minion Costume -
Monster High Frankie Stein Deluxe Kids Costume -
Monster High Draculaura Kids Costume -
Kids Victorian Maid Costume -
Kids Mermaid Costume -
Victorian Maid Kids Costume -
Maid Marion Kids Costume -
Kids Mermaid Princess Costume -
Monster High Clawdeen Wolf Deluxe Kids Costume -
Kids Minion Bob Costume -
Kids Zombie Mermaid Costume -
Pop Art Mummy Kids Costume -
Kids Pink Mermaid Costume -
Kids Mad Scientist Costume
