- XS (3-5 Yrs old) - $43.99
- S (6-8 Yrs old) - $43.99
- M (9-10 Yrs old) - $43.99
Kids Optimus Prime Costume - Transformers Autobot Leader Jumpsuit & Mask
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 Optimus Prime jumpsuit with full robotic armor detailing
- Moulded plastic Autobot mask with elastic strap and eye cut-outs
This Kids Optimus Prime Costume transforms your child into the heroic Autobot leader from Transformers — digitally printed jumpsuit in bold reds and blues mimics the iconic robotic armor, complete with chest plate panels, mechanical joints, and segmented leg details. The moulded mask captures Optimus Prime's signature helmet with raised crest and silver faceplate.
The jumpsuit's fitted silhouette shows off the printed armor from every angle, with gradient blue shading on the legs and intricate mechanical graphics on the arms. Lightweight polyester makes it comfortable for a full day of play, and the plastic mask secures with an adjustable elastic strap so it stays put during action-hero missions.
Perfect For
Book Week & School Dress-Up Days: A natural pick for robot-themed Book Week, superhero parades, or any "favourite character" school event — Optimus Prime is a recognisable hero kids adore.
Halloween & Costume Parties: Stands out at Halloween trick-or-treating, Transformers-themed birthday parties, or any sci-fi costume event where your child wants to roll out as the Autobot commander.
Cosplay & Fan Events: Perfect for comic conventions, movie-themed dress-up days, or backyard play where Transformers fans recreate their favourite battles between Autobots and Decepticons.
How to Wear It
Pair with black sneakers or combat-style boots (not included) to complete the look. The jumpsuit goes on over regular clothes if it's a chilly day — handy for outdoor Halloween or winter Book Week events.
Parent FAQs
Q: What size should I order for my child?
Check the size chart image on this page for chest and height measurements. The jumpsuit runs true to size with a fitted cut — if your child is between sizes or prefers looser wear, size up.
Q: Can they see and breathe comfortably in the mask?
Yes — the mask has cut-out eye holes for clear visibility and ventilation around the nose and mouth area. The elastic strap adjusts to fit securely without being too tight.
Q: Is this officially licensed Transformers merchandise?
Yes — this is an officially licensed Transformers product from Hasbro, so the design, colors, and character details are screen-accurate.
Q: Do I need to buy anything else to complete the costume?
Just add black shoes or boots (not included). The jumpsuit and mask arrive ready to wear — no assembly, no hunting for extra accessories the night before the event.
Care: Hand wash cold, hang to dry. Wipe mask with damp cloth.
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.