- Age 3-4 - $64.89
- Age 5-7
- Age 8-10 - $64.89
Kids Thanos Costume - Marvel Avengers Infinity Gauntlet Superhero Suit
DELIVERY
- Dispatch: Within 24 Hours
- Registered & Express Post for ALL Orders.
- Pick up is available.
- Easy 14 days returns and exchanges
RETURNS
If you do not like the product you can return it within 14 days - no questions asked. This excludes stockings, gloves, swimwear and clearance sale items. We have an easy and hassle-free return policy. Please look at our Delivery & Returns section for further information.
PRODUCT DETAILS
What's in the Box
- Digitally printed muscle jumpsuit with attached shoe covers
- Separate gold tabard (chest overlay)
- Foam-backed Infinity Gauntlet (attached to left sleeve)
- Molded EVA mask with elastic strap
This Kids Thanos Costume brings Marvel's most powerful supervillain to life, with digitally printed armor detailing, the iconic Infinity Gauntlet on the left arm, and a molded mask with purple skin tones and gold helmet ridges. It's an officially licensed Marvel product, so the details are spot-on.
The muscle jumpsuit creates a photorealistic armored-giant look — gold breastplate, ribbed arm guards, sculpted leg armor — all printed onto stretchy black fabric. The tabard goes over the top for layered depth. Shoe covers with elastic straps tuck underneath regular shoes, and the gauntlet is permanently attached to the left sleeve (no fiddly pieces to lose). Mask fits over the head with eye holes for visibility.
Perfect For
Book Week & Superhero Character Days: A natural pick for Marvel tie-in books like Avengers: Infinity War or Endgame picture books, or any superhero-themed school parade where comic-book villains are welcome.
Halloween & Movie Character Events: Halloween parties, Marvel-themed birthday bashes, or Comic-Con junior events — anywhere kids want to channel the snap-your-fingers power of the Mad Titan.
Backyard Play & Dress-Up: Durable enough for rough-and-tumble play, whether re-enacting Avengers battles or just striking the raised-fist power pose in the backyard.
How to Wear It
Pair with dark sneakers (the shoe covers go over them) and the mask on or off depending on comfort. The gauntlet is pre-attached, so it's ready to wear straight out of the box — no assembly required.
Parent FAQs
What size should I order?
Check the size chart for chest and height measurements. The jumpsuit has some stretch but runs true to size — if your child is between sizes, we'd say size up for comfort and room to grow.
Can they wear this over regular clothes?
The jumpsuit is designed to be worn directly over underwear or a thin layer (like a t-shirt and shorts). It's form-fitting for the muscle effect, so bulky clothes underneath won't work well.
How do I wash this? Is the fabric durable?
Hand wash in cold water and hang to dry — the digital print holds up well to gentle washing. The gauntlet and mask should be spot-cleaned only (avoid submerging foam or EVA plastic).
Is the mask comfortable for all-day wear?
The mask is molded plastic with eye holes and an elastic strap, so it's breathable enough for short bursts (parade photos, trick-or-treating). For longer events, your child might prefer to wear it on and off rather than continuously.
Care: Hand wash jumpsuit cold, hang dry; spot-clean mask and gauntlet.
SHIPPING & RETURNS
Returns Policy
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at sales@kidsbookweekcostumes.com.au.
If your return is accepted, we’ll send you a return form, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Shipping
We offer Flat Rates $9.8 for Registered Post or $14.8 for Express Post within Australia.

