• A toddler hoodie displayed in a bright studio setting. The "Four-a-Saurus" design is centered on the chest, focusing on the milestone of turning four years old. The earthy color palette and the personalized name feature make it a versatile and stylish piece for any toddler's wardrobe or a special birthday event.
  • A happy toddler boy with a bright smile wearing a cream-colored sweatshirt with a "Four-A-Saurus" design. The sweatshirt features a green T-Rex wearing orange sunglasses and a party hat, standing in front of a retro yellow and orange sunset. The name "OLIVER" is personalized at the bottom. The child is posing with his hands in his pockets, highlighting a trendy 4th birthday milestone look.
  • Detailed close-up of a personalized dinosaur birthday design on a soft toddler t-shirt. The text "FOUR-A-SAURUS" is arched in a vintage blue and orange font. The central T-Rex graphic has a textured green finish and is wearing "cool" black sunglasses. The name "OLIVER" is printed in a bold orange font inside a nameplate, making it a unique 4th birthday keepsake for boys.
  • Front view of a "Four-a-Saurus" birthday sweatshirt for a four-year-old boy. The design uses earthy tones like mustard yellow, olive green, and rust orange against a neutral beige fabric. This preppy and modern garment is perfect for a rustic or boho-themed dinosaur birthday party and provides a trendy look for toddlers in 2026.
  • A lifestyle mockup of a toddler hoodie featuring the custom "Oliver" dinosaur design. The T-Rex is shown holding orange and green balloons, adding to the festive atmosphere of a fourth birthday. The retro sunset background adds a vintage feel to the high-quality print, appealing to parents looking for aesthetic and personalized kids' apparel on Etsy.
  • Visual description of the dinosaur party theme on a toddler hoodie. The T-Rex is wearing a festive red and yellow party hat and sunglasses, looking ready for a "Four-Rex" celebration. The background features a vintage striped sun in earth tones, creating a retro aesthetic popular for 2026 kids' fashion milestones and birthday outfits.
  • A mockup of the "Fourasaurus" design on a light beige toddler t-shirt. The personalization section at the bottom is highlighted with the name "OLIVER." The illustration includes green and orange balloons and a detailed T-Rex, signifying the big transition to being four years old. The fabric looks soft and comfortable for all-day birthday play.
  • Close-up on the typography and graphics of a personalized dinosaur hoodie for boys. The phrase "FOUR-A-SAURUS" is a fun play on words for a 4th birthday. The print is sharp and professional, showing the fine details of the T-Rex's scales and the reflections on its cool black sunglasses. Perfect for a dinosaur-loving four-year-old.
  • Detailed view of the nameplate customization on a dinosaur birthday shirt. The name "OLIVER" is written in a classic block font inside a vintage-style border. Above the name, the cool T-Rex with sunglasses signifies the "Four-a-Saurus" milestone. The distressed finish on the graphic provides a trendy, lived-in look for modern kids.
  • A toddler hoodie displayed in a bright studio setting. The "Four-a-Saurus" design is centered on the chest, focusing on the milestone of turning four years old. The earthy color palette and the personalized name feature make it a versatile and stylish piece for any toddler's wardrobe or a special birthday event.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • A toddler hoodie displayed in a bright studio setting. The "Four-a-Saurus" design is centered on the chest, focusing on the milestone of turning four years old. The earthy color palette and the personalized name feature make it a versatile and stylish piece for any toddler's wardrobe or a special birthday event.
  • Product video
  • A happy toddler boy with a bright smile wearing a cream-colored sweatshirt with a "Four-A-Saurus" design. The sweatshirt features a green T-Rex wearing orange sunglasses and a party hat, standing in front of a retro yellow and orange sunset. The name "OLIVER" is personalized at the bottom. The child is posing with his hands in his pockets, highlighting a trendy 4th birthday milestone look.
  • Detailed close-up of a personalized dinosaur birthday design on a soft toddler t-shirt. The text "FOUR-A-SAURUS" is arched in a vintage blue and orange font. The central T-Rex graphic has a textured green finish and is wearing "cool" black sunglasses. The name "OLIVER" is printed in a bold orange font inside a nameplate, making it a unique 4th birthday keepsake for boys.
  • Front view of a "Four-a-Saurus" birthday sweatshirt for a four-year-old boy. The design uses earthy tones like mustard yellow, olive green, and rust orange against a neutral beige fabric. This preppy and modern garment is perfect for a rustic or boho-themed dinosaur birthday party and provides a trendy look for toddlers in 2026.
  • A lifestyle mockup of a toddler hoodie featuring the custom "Oliver" dinosaur design. The T-Rex is shown holding orange and green balloons, adding to the festive atmosphere of a fourth birthday. The retro sunset background adds a vintage feel to the high-quality print, appealing to parents looking for aesthetic and personalized kids' apparel on Etsy.
  • Visual description of the dinosaur party theme on a toddler hoodie. The T-Rex is wearing a festive red and yellow party hat and sunglasses, looking ready for a "Four-Rex" celebration. The background features a vintage striped sun in earth tones, creating a retro aesthetic popular for 2026 kids' fashion milestones and birthday outfits.
  • A mockup of the "Fourasaurus" design on a light beige toddler t-shirt. The personalization section at the bottom is highlighted with the name "OLIVER." The illustration includes green and orange balloons and a detailed T-Rex, signifying the big transition to being four years old. The fabric looks soft and comfortable for all-day birthday play.
  • Close-up on the typography and graphics of a personalized dinosaur hoodie for boys. The phrase "FOUR-A-SAURUS" is a fun play on words for a 4th birthday. The print is sharp and professional, showing the fine details of the T-Rex's scales and the reflections on its cool black sunglasses. Perfect for a dinosaur-loving four-year-old.
  • Detailed view of the nameplate customization on a dinosaur birthday shirt. The name "OLIVER" is written in a classic block font inside a vintage-style border. Above the name, the cool T-Rex with sunglasses signifies the "Four-a-Saurus" milestone. The distressed finish on the graphic provides a trendy, lived-in look for modern kids.
  • A toddler hoodie displayed in a bright studio setting. The "Four-a-Saurus" design is centered on the chest, focusing on the milestone of turning four years old. The earthy color palette and the personalized name feature make it a versatile and stylish piece for any toddler's wardrobe or a special birthday event.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
  • Full view of the "Four-A-Saurus" toddler tee showing the fit and high-quality fabric. The design includes a large dinosaur graphic with party balloons and a retro sunset. The alt text emphasizes the "Custom Name" and "4th Birthday" keywords, making it easy for Etsy shoppers to find this unique birthday outfit for their son.
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Custom 4th Birthday Boy Dinosaur Shirt, Personalized Four Ever Young Toddler Gift

matt

By matt

Owner of MattDesignTee

Please select an option

Please select an option

  • Please provide the following details for your custom Dino outfit:
    1. Child's Name
    2. Age (written as a word, e.g., Three, Four)
    Note: We will automatically append "-a saurus" to the age you provide!

    Example: Oliver, Four (will appear as Four-a-saurus)

    0/256

What to know

Materials

outlash, gildan, bella canvas

Made to Order

Yes

Celebrate your little one's big milestone with a roar-some twist! This charming shirt brings together the playful spirit of a Fourasaurus shirt, the fun of a dinosaur birthday, and the charm of a custom name tee, making every 4th birthday truly unforgettable. Crafted with love and vibrant retro dinosaur art, it’s perfect for toddler sweatshirts that turn heads at every dino party outfit occasion.

HOW TO PLACE AN ORDER:
1️⃣ Swipe through all listing photos to see available styles and colors.
2️⃣ Choose your preferred style (T-shirt, sweatshirt, hoodie, toddler tee, etc.) and size from the dropdown menu.
3️⃣ Select your color option.
4️⃣ Choose quantity.
5️⃣ Click Add to Cart.
Repeat the steps for each individual item.
✅ Final Step – Double-check your shipping address and proceed to checkout.

ABOUT OUR PRODUCTS:
Our apparel is made with love using high-quality blanks from trusted brands such as Gildan, Outlash and Bella Canvas.
We always strive to deliver soft, durable, and comfortable pieces suitable for everyday wear.
Depending on stock levels, the fabric blend may slightly vary, but the premium quality and comfort remain the same.

Each design is printed with professional equipment, ensuring vibrant colors and long-lasting prints that won’t fade or crack.

Perfect for:
✨ Everyday casual wear
✨ Thoughtful gifts
✨ Birthdays & holidays
✨ Matching family outfits or custom events

PRODUCTION & SHIPPING:
• Production time: 1–3 business days (depending on order volume).
• Shipping time: 1–5 business days within the U.S.
• Need it sooner? Please contact us before ordering — rush options may be available.

We carefully package each order to make sure it arrives safely and in perfect condition.

CARE INSTRUCTIONS:
• Machine wash cold, inside out, with mild detergent.
• Tumble dry low or hang to dry.
• Do not bleach or dry clean.
• Iron inside out on low heat — avoid direct contact with design.
• Wait 24 hours before first wash for best results.

REFUNDS & EXCHANGES:
Refunds or exchanges are accepted only for defective or incorrectly shipped items.
We are not responsible for delays caused by shipping carriers once the package has been dispatched.

WHY CUSTOMERS LOVE US:
💛 Soft, comfy & long-lasting fabrics
💛 Eco-friendly, high-quality prints
💛 Fast production & reliable shipping
💛 Friendly customer support that truly cares

Thank you for supporting our small business — your order truly means the world to us!

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What buyers say

“”

Samantha

Apr 12, 2026

View all item reviews

NowPrice:$8.00+

Original Price: $16.00+

50% off

•

Sale ends on August 31

Shipping & return policies

  • Get it by
    Aug 13-18
  • Returns & exchanges
    Not accepted
  • Ships from
    Plano, TX
  • Cost to Ship
    $5.90 to United States, 43215

    There was a problem calculating your shipping. Please try again.

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Star Seller

This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Reviews for this item

4.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(1 reviews)

4 out of 5 stars 4

Samantha Apr 12, 2026

Samantha Apr 12, 2026

Meet your seller

MattDesignTee
matt
MattDesignTee ·

Texas, United States

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
5.1k sales
·
1.5 years on Etsy

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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