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Boy's Mouse Costumes

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Make your little guy the star of the Halloween parade with our charming boy's mouse Halloween costume collection. We sell a variety of mouse outfits that are adorable and comfortable, ensuring he can enjoy the festivities all night long. Just shop the costumes featured on this page to see the top options available!
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$44.99$34.99-$39.99
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$49.99$39.99-$44.99
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Sale - 20%
$49.99$39.99-$59.99*
Child Mouse in Cheese Costume
Clearance  - 50%
$39.99$19.99-$39.99*
Kid's Sewer Rat Costume
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Our boy mouse costumes are perfect for kiddos who love to scurry and scamper. These costumes are not only a hit for Halloween but also ideal for playtime adventures, school dress-up days, and themed birthday parties. With their adorable designs and comfortable fit, these costumes will inspire hours of imaginative fun for your little one.

The classic mouse Halloween costume is a staple in costume play. The comfy jumpsuit, complete with mouse ears on the hood and a cute mouse tail, is perfect for trick-or-treating, school events, or just an imaginative playdate. It's easy to wear, and even easier to love, making it a go-to choice for parents and kids alike.

Choose an easy-to-wear mouse onesie for boys, and you'll have a cozy gray mouse outfit that's ready for fun without any fuss. Whether it's a themed birthday party, a creative day at the park, or simply a cozy night in watching movies, this onesie is the ultimate in comfort and cuteness!

Dial up the deluxe factor with our velour fabric mouse costume. This plush hooded jumpsuit features an easy zip-up front, oversized mitts, and a hood with oversized mouse ears for that extra touch of whimsy. It's a luxurious take on the mouse theme, perfect for boys who love to stand out from the crowd.

For a hilarious twist on the traditional, our mouse trap costume includes a mouse suit and a mouse trap tabard that fits with shoulder straps. It's a unique and funny option that's sure to catch everyone's attention, making your child the talk of the town (or at least the party)!

Don't forget about our littlest mice! From the cozy cuddly infant mouse costumes that wrap your baby boy in warmth and cuteness to toddlers mouse outfits that give your kiddo a toothy grin, we've got something for every age. These costumes will make your little one the star of the show wherever they go!

For the boys who want an easy option or need a last-minute costume solution, our mouse kits are a dream come true. With a furry mouse hat and attachable mouse tail, these kits can transform a simple t-shirt and jeans into a festive outfit perfect for school dress-up days or any casual costume occasion.

And let's not forget the perfect accessory to complete any mouse costume – a block of cheese! It's an easy, fun Halloween prop that adds an extra layer of authenticity to your little mouse's ensemble. We sell a foam cheese wedge accessory that's essential for any kiddo's mouse costume.

Whether it's for Halloween, a costume party, or just for fun, our collection of mouse costumes for boys is designed to inspire imagination, encourage play, and create unforgettable memories. Buy one of our outfits for your little one to don his mouse ears and tail, and get ready for mousey fun!

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