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Halloween is exactly 20 days away. If you’re a procrastinator like me, you most definitely don’t have a costume yet and haven’t thought about treats or tricks. Stock up on decor items and grab a costume for extra cheap thanks to Amazon’s October Prime Day, which ends today.

Note: You’ll have to be an Amazon Prime member to take advantage of most of these deals, so be sure you’re signed up before making a purchase.

Rubie’s Adult Original Inflatable Dinosaur Costume $50 (Was $81.99)

A person wearing a t-rex costume on a blue and white background

Rubie’s

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Cause an uproar at the next Halloween party you attend with this T-Rex costume. Sure, we don’t know if dinosaurs actually ruled the Earth, but that doesn’t mean you can’t cause an uproar at the next Halloween party you attend with this T-Rex costume. Simply attach the battery, blow it up, step into it, and bam: You have an interesting, fun costume. Bonus points if you grab someone to dress up as Laura Dern or Jeff Goldblum in the OG Jurassic Park.

REESE’S Milk Chocolate Peanut Butter Pumpkins, Halloween Candy Packs, 1.2 oz (36 count) $23 (was $28)

A big box of Reese's peanut butter pumpkins

Amazon

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You can be the hit of the block when it comes to trick-or-treat candy or you can eat them by yourself while binge-watching horror movies. Both are good options. Plus, you’re saving money, so it’s totally responsible.

Triumpeek Halloween Inflatable Cooler, 56″ Inflatable Jack-O’-Lantern Cactus Ice Bucket $17 (was $23)

A witch cactus Halloween decoration on-sale for Prime Day at Amazon

Amazon

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OK, so this is technically a Halloween decoration, but I can’t imagine why you wouldn’t want to display this all year round. It’s perfect. I love him.

If a Late Cretaceous costume isn’t in the cards, here are more Halloween costumes and decor deals that you can snag during Amazon Prime Big Deal Days:

Costume deals

Decor deals

Halloween candy and treats

Accessorizing other activities? Take a look at our lists of Big Deal Days discounts as well as bargain bin buys.

Want more deals delivered to your inbox weekly? Sign up for PopSci’s Deals newsletter and save money on stuff you’ll really use.

Amanda Reed
Amanda Reed

Amanda Reed is a commerce updates writer at Popular Science. She makes sure all product round-ups are up-to-date, shares deals happening all over the internet, and reviews various gizmos and gadgets.

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