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A child is wearing a colorful unicorn costume with rainbow wings, a layered tulle skirt, and a horned headpiece.

Up to 50% Off Halloween Costumes

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Editor Insights

Save up to 50% off of Halloween Costumes at Sam's Club. Apply for a basic Sam's Club membership for $25 when you shop through our link. Shipping fees vary in price, but freight shipping is free for Plus members when you spend over $50. There are several styles to pick from, including the pictured Member's Mark Unicorn Premium Costume that drops from $24.98 to $10.91 in size 3T-4T. Other sizes are on sale for more. This is the lowest prices we’ve seen all season for this costume. Shop early for the best selection.

Posted by Jackie S. 2 days ago

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Sam's Club logo, featuring a blue square with a white diamond shape that resembles a sideways letter 'S'.

Sam's Club

Sam's Club 1-Year Membership

A colorful unicorn costume featuring a multicolored tutu skirt, a shiny bodice with purple lacing, and detachable iridescent wings, accompanied by a unicorn horn headband.

Sam's Club

Member's Mark Unicorn Costume

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