# One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan

One Casa’s kids’ inflatable T. rex costume includes a fan for Halloween dress-up and comes in three listed height ranges.

- [Original product page](https://www.ofertitastop.com/us/product/one-casa-inflatable-dinosaur-costume-for)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-14T18:19:54.301Z
- Brand: One Casa
- Category: Apparel & Accessories > Costumes & Accessories > Costumes
- Source store: amazon US
- Active deal: Yes
- Price: 26.99 USD
- Previous price: 29.99 USD
- Rating: 4.2 / 5
- Reviews: 21

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

## Description

For families choosing a costume by a child’s height, this inflatable T. rex suit is listed in three size ranges, from 2.8–3.3 ft to 4.1–4.9 ft. Matching the child’s height to the range is a more useful starting point than relying on the age label alone.

The costume is designed for Halloween and other fancy-dress occasions. Its inflatable shape gives it a different look from a standard fabric dinosaur outfit, while the included fan handles inflation.

The package includes the suit, an air pump, and an instruction sheet. Power is separate: the pump requires a portable power bank or four AA batteries, and batteries are not included.

## Highlights

This child-size inflatable T. rex costume is offered in these stated fit ranges: 2–3 years for 2.8–3.3 ft, 4–6 years for 3.3–4.1 ft, and 7–10 years for 4.1–4.9 ft. The ranges overlap at their endpoints, so use the child’s height and the product instructions when deciding which size to choose. The listing does not provide separate garment measurements.

The suit is made from waterproof polyester described as resistant to rips and tears, with stitching intended to support durability. That material description may matter for an active dress-up event, but it is not a guarantee against damage. The included blower provides continuous airflow to inflate the costume, the listing says it inflates in a few seconds, but actual use will depend on the power source and setup.

## How to use it

Before getting dressed, read the included instruction sheet and prepare the pump’s power source. The product information says the pump can use a portable power bank or four AA batteries. Batteries are not included, and a power bank is not listed among the package contents. The battery pack should go in its designated pocket before switching it on, the instructions warn that placing it elsewhere may cause overheating and accidents.

For battery operation, the listing recommends four new, high-power AA batteries. It also notes that the high-powered fan uses more battery, particularly when the costume is worn for more than an hour at a time, and suggests having spare batteries available. Plan for that power requirement before an event rather than assuming the costume is ready to wear straight out of the package.

## Practical tips

Check the height range first, then allow time to set up the fan and power source before the child needs to wear the costume. A simple fabric outfit avoids the need to power an inflating fan, while this suit suits shoppers specifically looking for an oversized inflatable dinosaur effect. That difference is useful when choosing between a conventional costume and one whose shape depends on continuous airflow.

The product details do not give cleaning instructions, a total operating time, or a specific power-bank specification. Follow the included instructions for setup and care instead of assuming the suit can be machine-washed or that any power bank will work. Depending on how you use it, battery planning may also affect how convenient it is for an extended event.

## Should you buy it?

It makes sense if you want a child-size inflatable T. rex costume for Halloween or fancy dress, and the child’s height falls within one of the listed ranges. The included pump and stated power options cover the basic inflation setup, but you will need to provide the power source. You may want to skip it if you prefer a costume that does not rely on a fan or you cannot arrange the required power. For shoppers who want the inflatable look and can prepare for its battery needs, the listed size ranges and included pump make the intended use clear.

## Images

![One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan — 1](https://www.ofertitastop.com/i/6D2v9NqXzI7JuLDhNKNYj1alfbsHL9TMs52wb5bxal8Yt4tIYz1pJQoAkHy-3UfEmrfd0d82sgCH9wyp2RjXb7IWS-gvP46mNXNIuR2SolY9Cd3SbN5qDU27pQ.jpg)

![One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan — 2](https://www.ofertitastop.com/i/IfYxXzDW4nImpN2HCoN8rxcvbWBp9ljG6Y-u0DvK9X44DiJzXn6QoYtyjYW59y8Wg_1fq6RcDcchex6kzkIbKH2vhMkfJ57ejzlh3etFtlK0_kE36aDHWKSoPA.jpg)

![One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan — 3](https://www.ofertitastop.com/i/HqQiCO4PFnTS4-Cxc0VfB-11cFCBNA39zHxK9qHvPsjId-A2ICRV-DOm1IXQf39tvNuUsgnHiMNiLqvxx2HwRjsYGsxznioF8rOJoX_JE7vUT0becQ3lKO1ijA.jpg)

![One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan — 4](https://www.ofertitastop.com/i/N4Ad2PDkwCSdcfFkvYMJakg5mHakJUaTa9B_6v9K1FcCA7mg5ZMjcVs0EAyuEpY3nmthNr2zo1a8l7XdrZ37CTaNc0w2lSj3R0i93v7-yA6bv5Uxr4gHjO6uVw.jpg)

![One Casa Inflatable Dinosaur Costume for Kids, T. Rex Suit with Fan — 5](https://www.ofertitastop.com/i/UvRfy13jgJTr99UA9DZcC63qXS-zyTltAYODb0BG5Ec4Bpamid9uWwKBveUIU419f2YFVcz34jwMo5bHoz-LOiGZDcrB-hXzWc6KbFDoz4pP2keX45Jncnesxw.jpg)