Search  for anything...
LEGO

LEGO Creator 3 in 1 Mighty Dinosaur Toy, Transforms from T. rex to Triceratops to Pterodactyl Dinosaur Figures, Great Gift for 7-12 Year Old Boys & Girls, 31058

  • Based on 48,004 reviews
Condition: New
Checking for the best price...
$20.50 Why this price?

Buy Now, Pay Later

As low as $5 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Monday, Jul 27
Order within 2 hours and 11 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • T. rex Dinosaur Toy with bright orange eyes, posable joints and head, large claws and an opening mouth with pointed teeth
  • The dinosaur toy also includes the dinosaurs prey in the form of a buildable rib cage
  • This LEGO Creator 3 in 1 model rebuilds into a Triceratops and Pterodactyl Dinosaur toy action figures
  • Kids can pose the T. rex dinosaur model's arms, legs, tail and head, and open its mouth to reveal ferocious teeth
  • LEGO Creator 3 in 1 building toys are compatible with all LEGO construction sets and make great Christmas or birthday gifts for boys and girls

Description

Kids aged 7-12 can roar into action with the mighty LEGO Creator Mighty Dinosaur (31058) 3in1 set. With this buildable dinosaur set, kids will have fun building the awesome T. rex toy, featuring a dark-green and beige color scheme, bright orange eyes, posable joints and head, large claws and an opening mouth with pointed teeth. Also includes the dinosaur’s prey in the form of a buildable rib cage. Kids can rebuild this 3in1 LEGO Creator Mighty Dinosaurs model to create a Triceratops toy or a Pterodactyl. LEGO Creator 3in1 toys are a great option for helping young ones enhance their imaginations or for collecting display sets that they can change to suit mood and space. This dinosaur building toy for kids aged 7-12 years old makes a great birthday or Christmas gift for young dinosaur fans. T. rex measures over 4 in. (11 cm) tall. Triceratops measures over 3 in. (9 cm) tall. Pterodactyl measures over 1 in. (4 cm) high, 7 in. (18 cm) long and 9 in. (25 cm) wide. Contains 174 pieces.

Brand Name: LEGO


Manufacturer Minimum Age (MONTHS): 84


Sub Brand: Creator Creatures


Model Name: Mighty Dinosaurs 31058


Model Number: 31058


Age Range Description: 7-12


Customer Package Type: Standard Packaging


Manufacturer Maximum Age (MONTHS): 144.0


UPC: 673419266482


Global Trade Identification Number: 82


Manufacturer Part Number: 31058


Model Year: 2020


Manufacturer Warranty Description: No Warranty


Included Components: LEGO Building Elements


Item Type Name: Building Kit


Manufacturer: LEGO


Unit Count: 1.0 Count


Color: Multicolor


Theme: LEGO Creator


Subject Character: Dinosaur


Number of Pieces: 174


Item Dimensions: 10.32 x 5.55 x 1.89 inches


Item Weight: 0.24 Kilograms


Size: Mighty Dinosaurs


Educational Objective: Creative Thinking


Additional Features: Non Toxic


Toy Building Block Type: Interlocking Toy Building Block


Is Assembly Required: No


Material Type: Plastic


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great Lego Set!
My granddaughter is a Lego-maniac and this is a great gift for her. Great colors, very durable, and easy to build. She has had so much fun making all three of these designs. Legos are fun for kids and they keep them entertained for hours. So very age appropriate and a great value.
Reviewed in the United States on January 1, 2026 by Blessed Sheep
    • 3in 1 Lego kit
Lego doesn’t disappoint!! Great value- fun to assemble. Super directions.
Reviewed in the United States on May 21, 2026 by Martha sopha
    • Great Lego Dinosaur set Great Lego Dinosaur set
Review Image by genmcd
Finding gifts for kids can be tough, but this LEGO set was an easy win. My nephew loved building it and the dinosaur looks awesome once it's finished.
Reviewed in the United States on June 15, 2026 Reviewed in the United States on June 15, 2026 by genmcd
    • Dinosaur lego
Perfect gift, would purchase again
Reviewed in the United States on June 19, 2026 by Amazon Customer
    • Like it, makes a great addition to a gift
I recently purchased the LEGO 3-in-1 Dinosaur toy, and it has been a huge hit in our household. This set allows you to build three different dinosaurs: a ferocious T-Rex, a menacing Triceratops, and a swift Pterodactyl, providing endless fun and creativity. The instructions are clear and easy to follow, making it accessible for my kids to build on their own with minimal assistance. The pieces are high-quality, as expected from LEGO, and fit together seamlessly. One of the standout features of this set is the incredible detail in each dinosaur. The T-Rex's jaw moves, the Triceratops has a realistic head and body structure, and the Pterodactyl's wings are adjustable. The versatility of being able to create three different models keeps my kids engaged for hours, as they love switching between the dinosaurs and even imagining new hybrid creatures. The educational value is another big plus. While assembling the dinosaurs, my kids are learning about following instructions, enhancing their fine motor skills, and stimulating their imagination. It also sparks conversations about prehistoric times and the different types of dinosaurs. Overall, the LEGO 3-in-1 Dinosaur toy is a fantastic purchase. It's versatile, educational, and provides hours of entertainment. Highly recommended for any young dinosaur enthusiast or LEGO lover! ... show more
Reviewed in the United States on June 19, 2024 by Christin Dillard
    • Great dinosaur for the child with an imagination!
I purchased for my granddaughters 5th birthday. It was a huge hit and she got a lot of dinosaur toys. She is still playing with it months later. The quality is good and she loves the versatility of being able to change out dinosaurs.
Reviewed in the United States on March 9, 2026 by Ken Miller
    • ⭐️⭐️⭐️⭐️⭐️
The LEGO Creator 3‑in‑1 Mighty Dinosaur set was a huge hit! The build is engaging and fun, and it’s great that you get three different models — the dinosaur, a pterodactyl, and a triceratops — all from the same set. The instructions were clear, and the pieces feel high‑quality (as expected from LEGO). My child loved switching between builds and creating little stories with each version. Once built, the models are sturdy and look great on display or in play. Perfect for kids who love dinosaurs and building challenges — keeps imagination and creativity going long after the initial build! 🦖🧱✨ ... show more
Reviewed in the United States on March 22, 2026 by Kelsea
    • Lego 3 in one dinosaur
Bought this for my dinosaur obsessed 6 year old granddaughter and she absolutely loves playing with it ...nice quality...
Reviewed in the United States on May 7, 2026 by Paul M.

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...