
Baby Dinosaur Costume
Roaringly cute, cozy, and perfect for your little prehistoric explorer.
The baby dinosaur costume is a classic, crowd-pleasing choice for infants and toddlers during Halloween or playtime. It keeps babies warm and comfortable while looking incredibly cute in photos. The look typically features a plush, colorful hooded jumpsuit with soft fabric spikes and a stuffed tail.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $20–45
Try it on
See yourself as Baby Dinosaur
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
One render, $1. No account needed — if it fails you're not charged. Pricing.
Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

What you need for a Baby Dinosaur costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Baby Dinosaur costume — one box instead of 5 pieces.
Plush dinosaur jumpsuit
A soft green, blue, or pink fleece one-piece with a lighter colored belly patch.
DIY: Use a solid green hooded zip-up sweatshirt and matching sweatpants.
Soft fabric spikes
Felt or stuffed fabric triangles running along the spine from the hood to the tail.
DIY: Cut triangles out of stiff craft felt and safety-pin or fabric-glue them down the back of a hoodie.
Stuffed dinosaur tail
A soft, plush tail attached to the lower back of the jumpsuit.
DIY: Stuff a green knee-high sock with polyester fiberfill and sew or pin it to the waistband of the pants.
Dinosaur hood
An attached hood featuring soft felt teeth lining the rim and friendly embroidered eyes.
DIY: Glue white felt triangles along the inner rim of a green hoodie to look like teeth.
Claw booties
Matching soft-soled slip-on booties with soft fabric claws on the toes.
DIY: Glue small white felt triangles to the front of a pair of solid green baby socks.
Rather not assemble it? See ready-made Baby Dinosaur costumes at Spirit Halloween ↗
How to put it together
- 1
Select a soft, breathable fleece or cotton dinosaur jumpsuit in a bright color like green or blue.
- 2
Ensure the jumpsuit has a front zipper or snap closures along the legs for quick diaper changes.
- 3
Layer a thin cotton onesie underneath the jumpsuit to keep your baby comfortable and prevent overheating.
- 4
Slip on the matching soft-soled claw booties to keep tiny feet warm.
- 5
Gently pull up the plush hood, ensuring it fits comfortably around the baby's face without blocking their vision.
Baby Dinosaur for couples, groups, kids & more
- couples
- Pair with a parent dressed as a paleontologist or park ranger.
- group
- A whole family of dinosaurs in different colors, or a 'Jurassic Park' theme with parents as scientists.
- kids
- Perfect for siblings to wear matching T-Rex and Triceratops outfits.
- pet
- A matching dinosaur sweater for the family dog.
Tips
- Prioritize soft, breathable fabrics like fleece or cotton to prevent skin irritation.
- Ensure the costume has easy-access snaps or zippers for quick diaper changes.
- If trick-or-treating outdoors in cold weather, buy one size up so you can layer warm clothes underneath.
Baby Dinosaur costume FAQ
- What is the best fabric for a baby dinosaur costume?
- Fleece or soft cotton plush is best, as it keeps babies warm, cozy, and scratch-free.
- How can I make a quick DIY baby dinosaur costume?
- Attach felt triangles down the back of a green hoodie using fabric glue or safety pins, and safety-pin a stuffed green sock to the waist as a tail.
- Is a hood safe for a sleeping baby?
- Always supervise your baby while they wear the hood, and pull it back down if they fall asleep to ensure clear breathing.
Did you know? Dinosaur costumes remain one of the top three most popular Halloween choices for infants and toddlers globally due to their comfort and cute factor.