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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Deluxe Mid Summer Bavarian Maiden Flower Crown -
Mermaid Shell Bikini Bra Top -
Universal Monsters Make-Up Bumper Kit -
Monster Bride Beehive Wig -
David Walliams Kids Little Monsters Howler Costume -
Mouse Nose -
Mermaid Earrings Costume Accessory -
Mouse Set With Sound -
Minion Kevin Adults Costume -
Harry Potter Book Of Monsters -
Clip On Mouse Ears -
Mermaid Starfish Hairclip Costume Accessory -
Mouse Mask With Sound -
Monster High Frankie Stein Kids Wig -
White Magician's Gloves Costume Accessory -
Adult Inflatable Minion Stuart Costume -
Mad Hatter Hat & Hair -
Monster High Draculaura Kids Wig -
Grey Mouse Ears and Tail Set -
Monster High Clawdeen Wolf Kids Wig -
Kids Barbie Mermaid Accessory Set -
Kids Mouse Set -
Mouse Set, Headband, Bow Tie and Tail -
Monster High Draculaura Adult Costume
