# One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit

Make Halloween dress-up more playful with the One Casa inflatable T. rex costume for kids, made from waterproof polyester.

- [Original product page](https://www.ofertitastop.com/us/product/one-casa-inflatable-rex-costume-for)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-14T18:01:26.758Z
- Brand: One Casa
- Category: Apparel & Accessories > Costumes & Accessories > Costumes
- Source store: amazon US
- Active deal: Yes
- Price: 35.99 USD
- Previous price: 39.99 USD
- Rating: 4.7 / 5
- Reviews: 1427

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

A built-in blower inflates this One Casa dinosaur costume, giving kids a T. rex look for Halloween and dress-up without needing to assemble a separate frame. The suit is made from waterproof polyester, and the package includes a hat and pump.

Sizing is listed by both age and height, so you can compare the stated range with the child who will wear it. The options cover ages 2–10, with different height ranges for each size group.

If you need a costume for trick-or-treating or a dress-up event, this inflatable suit offers a more eye-catching approach than a basic fabric costume. The trade-off is that it needs a power source for the blower, and batteries are not included.

## Product specs
- Name: Inflatable T. rex costume for kids
- Material: Waterproof polyester
- Size ranges: 2–3 years, 2.8–3.3 ft (33.5–39.4 inches), 4–6 years, 3.3–4.1 ft (39.4–49.2 inches), 7–10 years, 4.1–4.9 ft (49.2–59 inches)
- What’s included: Inflatable T. rex suit, hat, air pump, and instruction sheet
- Power: The pump requires a portable power bank or four AA batteries, batteries are not included

The height ranges are useful for narrowing down a size, but the listing does not provide garment measurements. Check the child’s height against the stated range rather than relying on age alone. The waterproof polyester and reinforced stitching are intended to help the suit resist rips and tears, though they do not establish how it will hold up under every kind of wear.

## Usage tips
Place the battery pack in its designated pocket before switching on the blower. The product instructions warn that putting it elsewhere may lead to overheating and accidents. For battery operation, the instructions recommend four new, high-power AA batteries, they also suggest keeping spares available for longer use, since the fan can consume batteries quickly. A portable power bank is another listed power option, but the product information does not specify one in the package contents.

For a Halloween outing, allow time to set up the blower and check that the costume inflates before heading out. Customer feedback describes the outfit as fun to wear and entertaining to watch, with positive comments about its appearance. Fit and reliability feedback is mixed: some buyers say it fits well or lasts through trick-or-treating, while others report sizing problems, damage, or a fan that stops working. Those comments are individual experiences, not a guarantee of how a particular costume will perform.

## What you get
The package contains the inflatable suit, a matching hat, an air pump, and an instruction sheet. You’ll need to provide the power source: either a portable power bank or four AA batteries, which are not included. That makes this more involved than a costume that can be worn straight from the package, but the blower is what gives the suit its inflated T. rex shape.

## When it makes sense
You’ll appreciate it if you want an inflatable dinosaur costume for a child and can match the listed height range to the wearer. It suits Halloween and other dress-up occasions where a large, playful costume is part of the appeal. Customer comments also point to its comic look as a draw, while mixed reports on fit, durability, and fan reliability are worth keeping in mind.

It may not suit you if you need a costume with no setup or a power source included. For a simpler option, a non-inflatable costume avoids managing a blower and batteries, this suit is the more distinctive choice when the inflated T. rex look is the priority.

## Images

![One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit — 1](https://www.ofertitastop.com/i/MrGWidMxDAAi7cw1GGWQxZkEZ5Lwwr8tM-_lc3EOJ3K0U72_1rOldY09WzVB3HBDZq0zRB6CV4oky_lauiuOTi0zlf--XE9cPR6-VgkmY7thtcBwj7C_JKFzjw.jpg)

![One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit — 2](https://www.ofertitastop.com/i/9z8ytm4V_Rhd6vTXTs56kTeQv8mnJh3VW7RXCrYQnfuOXc0UKzUcicq9yMBYXMmtr7a_Zc3KLDd4bBZWIV6gqIK9PBrY4hrY8Xjqn3zbw0vmMLO71bAtcK-GnQ.jpg)

![One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit — 3](https://www.ofertitastop.com/i/RamFFMmbZG33LySD9cO5NBRUscFuplCeVNHn5qVqg10Emuyx-e7-ywtBxtspmVURIgmRBw6dSuDRRhdLLFWkJm1uZE5nkeBGuhDyb3CuTocXM8bCbEyR6glIyg.jpg)

![One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit — 4](https://www.ofertitastop.com/i/UJo8BhjnpAb7yqM2-S83wcn9HoHLxUxx1Pp4Wml9LvEsOxqB451zmLm7OuDC51UI3OboII4f2M82lvRME_6t0NC96JOWewVrXhGQHLrB_JWPhqtcGhFjtSlC6g.jpg)

![One Casa Inflatable T. rex Costume for Kids with Fan and Polyester Suit — 5](https://www.ofertitastop.com/i/iqIJA-p5BGWba4VeHiqZflXubKxxnjnIMh8Or5BoQUT1E8j6bOaeOmoP4peKp_2JSlDt5kkezGug5i9bf-9OndIT6OaaHbbRlAXtnlyAdgmluVIVSSqWbCvAjA.jpg)