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LEGO Ideas The Evolution of STEM Building Set with Scientist Minifigures 21355 - 2 of 4LEGO Ideas The Evolution of STEM Building Set with Scientist Minifigures 21355 - 3 of 4LEGO Ideas The Evolution of STEM Building Set with Scientist Minifigures 21355 - 4 of 4
LEGO Ideas The Evolution of STEM Building Set with Scientist Minifigures 21355 - 1 of 4

LEGO Ideas The Evolution of STEM Building Set with Scientist Minifigures 21355

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About this item

Highlights

  • SCIENCE BUILDING SET – Celebrate groundbreaking innovations in science, technology, engineering and math with this collectible LEGO Ideas The Evolution of STEM display model
  • 3 SCIENTIST MINIFIGURES – The “mother of modern physics” Marie Curie, Sir Isaac Newton, leader of the Scientific Revolution, and agricultural science pioneer George Washington Carver
  • COLLECTIBLE DISPLAY MODEL – A buildable base shaped like an open book is topped with many mini builds including Newton’s apple tree, Carver’s plants bed, a space shuttle and a robotic arm
  • FUN FEATURES – Turn the dial to make the 3D replica of a carbon atom float upwards and the DNA strand rotate, and look out for a Morse code message, NASA Voyager Probe with the Golden Record, and more
  • GIFT FOR MEN AND WOMEN – This set makes a great gift for adults who love science or anyone with a passion for STEM subjects and history
  • THE LEGO FANS’ CHOICE – This collectible building set for adults is part of a range of LEGO Ideas sets, each created by a fan designer, voted for by LEGO fans and produced by the LEGO Group
  • DIMENSIONS – This 879-piece LEGO set measures over 10.5 in. (27 cm) high, 9 in. (23 cm) wide and 7.5 in. (19 cm) deep

Description

Open a brick-built book on the evolution of STEM (science, technology, engineering and math) with this LEGO Ideas collectible display model for adults (21355). An inspiring science gift for women, men and history-lovers, the set features a buildable base in the shape of an open book topped by mini builds that represent historic innovations. Build an early car and a home computer, the NASA Voyager Probe with the Golden Record on board for any extraterrestrial life form that may find it, and much more. Turn the dial to make a 3D replica of a carbon atom float upwards and a DNA strand rotate. The set includes LEGO minifigures of 3 famous scientists: Marie Curie, the first person ever to win 2 Nobel prizes; Sir Isaac Newton, famous for his law of universal gravitation; and pioneering agricultural scientist George Washington Carver. Find building instructions in the box and on the LEGO Builder app to help you with every step of your rewarding, creative journey through the history of STEM. Contains 879 pieces.
Number of Pieces: 879
Suggested Age: 18 Years and Up
Model #: 21355
Educational Focus: Gross Motor Skills, Creativity, Fine Motor Skills, Sensory Development, Creative Thinking
Theme: Science
Includes: Figures, Toy Building Components
Material: Plastic
Battery: No Battery Used
Street Date: March 1, 2025
TCIN: 92538299
UPC: 673419407663
Item Number (DPCI): 204-00-2392
Origin: Made in the USA and Imported
If the item details aren’t accurate or complete, we want to know about it.

Shipping details

Estimated ship dimensions: 2.776 inches length x 10.315 inches width x 15.039 inches height
Estimated ship weight: 1.792 pounds

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
See the return policy for complete information.

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Guests are saying

This LEGO set offers a unique and engaging building experience, celebrating key milestones in science, technology, engineering, and mathematics. Guests appreciate the intricate details, including mini figures and hidden elements that inspire curiosity and learning. While some found the build challenging, particularly with the bee and the DNA structure, the overall sentiment is positive, highlighting its educational value and aesthetic appeal as a display piece.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    4.6 out of 5 stars with 111 reviews
    broad age appeal: 4.53 out of 5
    ease of use: 4.53 out of 5
    length of play: 4.71 out of 5
    quality: 4.74 out of 5
    value: 4.68 out of 5
    90% would recommend
    20 recommendations
    5 out of 5 stars
    Thumbs up graphic, would recommend
    30 July, 2026Verified purchase

    Great

    Great Lego and a good work. I love the minifigs
    Paula
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    19 July, 2026
    originally posted on LEGO
    Image

    Evolution of stem

    Loved the build. My 5 year old grandson helped me and he managed to build some of the sections himself. Did find the bee quite challenging
    1 reply from LEGO® Customer Service team - 11 days ago
    We love hearing how our fans create wonderful memories building together. Thanks for taking the time to leave a buzzing review!
    Judz1953
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    29 June, 2026Verified purchase

    Lego and STEM

    Fun build. Great colors. Ideas to make you think and explore. 3 mini figures. Good value for money. I would recommend
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs down graphic, would not recommend
    16 June, 2026Verified purchase

    (no review title)

    keeper
    Did you find this review helpful?
    5 out of 5 stars
    1 June, 2026
    originally posted on LEGO
    Image

    Love the nod to STEM

    Absolutely love this build. Really enjoyed the Easter eggs, the Morse Code and Color chart. As a lefty, I didn't mind the DNA strand not going in the traditional direction. Appreciate the inclusivity, loved the George Washington Carver minifig.
    LadySleekCheetah105
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    13 May, 2026
    originally posted on LEGO
    Image

    Brilliant

    So many tiny details make this set unique and brilliant. I choose to keep the Morse code and color spectrum displayed. I simply took the cover pieces off and added them to my Lego bucket. Love the flying bee, the DNA strand (spins), and carbon molecule (goes up & down), and all the other major symbols of science breakthroughs represented. symbols of science breakthroughs represented. Absolutely one of my favorite Lego sets.
    EsquireBossyEars240
    Did you find this review helpful?
    4 out of 5 stars
    4 May, 2026
    originally posted on LEGO
    Image

    Love except the BEE

    As a science nerd I was so excited for this set and it didn’t disappoint. My only complaint was keeping the bee together. As someone who’s completed many large sets (Home Alone, Goonies, Jack Sparrow ship) this was the absolute most frustrating part of any LEGO build I’ve done. I didn’t glue him but I sure was tempted. Whew. Otherwise it’s fun and I recommend. Just know, you need your patience for that bee.
    1 reply from LEGO® Customer Service team - 3 months ago
    We're sorry to hear your set isn't as sturdy as it should be. It sounds like it might need a little rebuilding. Please reach out to our brick experts at LEGO.com/Service so they can help you keep your bee together!
    Ruby Red
    Did you find this review helpful?
    2 out of 5 stars
    11 April, 2026
    originally posted on LEGO
    Image

    AVOID...

    Great concept idea. Lot's of Cool ideas crammed into a "diorama" display set. Unfortunately build experience does is not up to quality. The spin around feature of the DNA helix along with the bob up n down carbon atom is bot well executed. Numerous underlying, structure pieces don't fit well and they affect the "book surface". Misalignment causes pieces to pop off when pressed. My initial interest for this LEGO set has is now simply regret.. thumbs down Lego...
    1 reply from LEGO® Customer Service team - 4 months ago
    We're sorry that you've had trouble with The Evolution of STEM set. We understand how frustrating it can be when pieces don't fit together as they should. If you'd like a hand troubleshooting your build, please reach out to us at LEGO.build/Service
    PMbrickD
    Did you find this review helpful?
    1 out of 5 stars
    6 April, 2026Verified purchase

    (no review title)

    The box was delivered from FEDEX and was open. I do not know if all my parts are in the box, as the box was opened and when delivered.
    Brandi
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    4 April, 2026

    (no review title)

    This set was amazingly done! The book captured many aspects and values of the science community that many future students who have an interest in STEM would find astonishing. As a Biochem major, I personally loved putting this set together and displaying it in my study room.
    Balaji
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    2 April, 2026Verified purchase

    (no review title)

    Loved this set!
    Melinda
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    28 March, 2026
    originally posted on LEGO
    Image

    A top favorite

    This has to be my son’s top favorite build he’s done! All about STEM, including a rotating center for the DNA strand and a couple hidden spots to reveal! Absolute genius design. My son’s only request is that it came with all the scientists, engineers, and inventors as mini figures. That would have made this complete. He has it displayed on his bookmaker, alongside his mineral Lego build. Fantastic addition to the Lego collection!
    THATREDHEAD
    Did you find this review helpful?
    5 out of 5 stars
    14 March, 2026Verified purchase

    (no review title)

    Reminded me of my highschool knowledge bowl days
    Keith
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    3 January, 2026Verified purchase

    Great for kids thag love science

    We got this for my almost 10 year old for Christmas. He loves science & loved learning while we built. This wasn’t on his Christmas list but easily became one of his favorite LEGO builds
    Prody
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 4 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    28 December, 2025Verified purchase

    (no review title)

    On sale good quality
    Claudia
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    27 December, 2025Verified purchase

    STEM Lego set

    The recipient loved his gift!!
    PB
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    27 December, 2025Verified purchase

    (no review title)

    Such a fun and educational Lego set! Purchased for my 8 year old son for Christmas and he completed the build the next day! He loved the scientific facts in the instruction manual - such a great idea! Hoping Lego creates more awesome sets like this in the future!
    JennieAnnie
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    3 December, 2025Verified purchase

    Lego Stem

    This is a Christmas gift for my nephew. This is what he requested and we can't to see his react on Christmas day.
    Timothy
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    1 December, 2025Verified purchase

    (no review title)

    One of my favorite Lego sets! I bought one for myself and liked it so much that I bought extras as gifts.
    Deborah
    broad age appeal: 3 out of 5
    ease of use: 3 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    30 November, 2025Verified purchase

    Impressed!

    Absolutely adorable set. Perfect as a gift or for someone to add to their own collection.
    Shannon
    broad age appeal: 5 out of 5
    ease of use: 5 out of 5
    length of play: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?

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