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expiredniki4h | Staff posted Mar 25, 2026 06:33 PM
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expiredniki4h | Staff posted Mar 25, 2026 06:33 PM

879-Piece LEGO Ideas The Evolution of STEM Building Set (21355)

+ Free S&H

$46

$80

42% off
Target
7 Comments 13,651 Views
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Deal Details
Target has 879-Piece LEGO Ideas The Evolution of STEM Building Set (21355) on sale for $45.99. Shipping is free; otherwise, select free store pickup where available.

Thanks to Deal Hunter niki4h for sharing this deal.

Note: Store pickup availability may vary by location.

Features:
  • 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
  • A buildable base shaped like an open book is topped with many mini builds, including Newton's apple tree, Carver's plant bed, a space shuttle, and a robotic arm
  • 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
  • This set makes a great gift for adults who love science or anyone with a passion for STEM subjects and history
  • Dimensions: 10.5 in. (27 cm) high, 9 in. (23 cm) wide, and 7.5 in. (19 cm) deep

Editor's Notes

Written by qwikwit | Staff
  • This price matches the previous Frontpage Deal from November 2025, which received +37 community votes.
  • Rated 4.6 out of 5 stars, based on 95 customer reviews.
  • Sign-up for Target Circle Card to save an additional 5%, receive free shipping on most items, and attain an extended return period.

Original Post

Written by niki4h | Staff
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Target has 879-Piece LEGO Ideas The Evolution of STEM Building Set (21355) on sale for $45.99. Shipping is free; otherwise, select free store pickup where available.

Thanks to Deal Hunter niki4h for sharing this deal.

Note: Store pickup availability may vary by location.

Features:
  • 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
  • A buildable base shaped like an open book is topped with many mini builds, including Newton's apple tree, Carver's plant bed, a space shuttle, and a robotic arm
  • 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
  • This set makes a great gift for adults who love science or anyone with a passion for STEM subjects and history
  • Dimensions: 10.5 in. (27 cm) high, 9 in. (23 cm) wide, and 7.5 in. (19 cm) deep

Editor's Notes

Written by qwikwit | Staff
  • This price matches the previous Frontpage Deal from November 2025, which received +37 community votes.
  • Rated 4.6 out of 5 stars, based on 95 customer reviews.
  • Sign-up for Target Circle Card to save an additional 5%, receive free shipping on most items, and attain an extended return period.

Original Post

Written by niki4h | Staff

Community Voting

Deal Score
+42
Good Deal
Visit Target

Price Intelligence

Model: The Evolution of STEM

Deal History 

Sale Price
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Current Prices

Sort: Lowest to Highest | Last Updated 4/14/2026, 06:37 PM
Sold By Sale Price
Target$79.99
Lego$79.99

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7 Comments

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Mar 25, 2026 07:15 PM
3,081 Posts
Joined Nov 2005
BrainDocMar 25, 2026 07:15 PM
3,081 Posts
This is a great set with cool details.
Mar 25, 2026 07:23 PM
135 Posts
Joined Aug 2012
goatwoodwardMar 25, 2026 07:23 PM
135 Posts
So long as they're in different orders, you can buy >3 if you so choose. Every niece I have is getting one for Xmas! Big Grin
Last edited by goatwoodward March 25, 2026 at 12:24 PM.
1
1
Mar 25, 2026 10:06 PM
1,330 Posts
Joined Aug 2015
oceanoneMar 25, 2026 10:06 PM
1,330 Posts
sold out for shipping so very very YMMV
2
Mar 26, 2026 12:05 PM
1,330 Posts
Joined Aug 2015
oceanoneMar 26, 2026 12:05 PM
1,330 Posts
Quote from oceanone :
sold out for shipping so very very YMMV

now back in stock for $80bucks Big Grin
Mar 26, 2026 06:33 PM
47 Posts
Joined Dec 2015
iwouldbebobMar 26, 2026 06:33 PM
47 Posts
Lego and STEM belong together.
Mar 27, 2026 03:02 AM
66 Posts
Joined Sep 2022
BiresMar 27, 2026 03:02 AM
66 Posts
Quote from iwouldbebob :
Lego and STEM belong together.
Their smartblocks are amazing pieces of tech.
1
Mar 31, 2026 08:27 PM
50 Posts
Joined Dec 2024
AmusedPenguin4181Mar 31, 2026 08:27 PM
50 Posts
So much inspiring science details in the set!

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