LEGO 21355 price comparison: where is it cheapest?

Prices incl. shipping to the US ·

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iFurther information
The Lego set The Evolution of STEM with the set number 21355 is part of the LEGO Ideas theme and is recommended for ages 18+. That makes it a set mainly for adults. It was released in March 2025. It includes 3 minifigures. The model has 879 pieces, and we estimate it takes around 2 - 3 hours to build. 78 Brickfact users have this set in their collection.
The set weighs about 0.936 kg. The box measures 26.2 x 38.2 x 7.1 cm. The recommended retail price is $79.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $167.51.

Lego 21355 product data

Set Information

Set ID
21355
Theme
Pieces
879
Building Time
2 - 3 hours
Age Range
18+
Minifigures
3

Availability

Release
03/2025
Retiring Status
Retiring Soon (12/2026)

Price Information

RRP
$79.99
Insiders Points (for purchase at Lego)
520
Part Out Value
$167.51

Packaging

Weight
0.936 kg
EAN (GTIN13)
5702017824871

Popularity with Brickfact users

users have this set
78
buyers in the last 12 months
51

78 Brickfact users have The Evolution of STEM in their collection. 51 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 2, 2026.

LEGO 21355 market value

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
$74.16
Market value vs. RRP
−7.3 % $79.99
Range
$71.36 – $85.71
Average
$77.01

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Minifigures from 21355 The Evolution of STEM

The The Evolution of STEM set includes 3 different minifigures, 3 of which are unique to this set. The combined value of the minifigures is $21.28, which is ~27% of the RRP of this set.
x1
Thumbnail of minifigure idea223
George Washington Carver
LEGO Ideas
time-logo
2025
#idea223
$5.25
i
Unique
x1
Thumbnail of minifigure idea224
Sir Isaac Newton
LEGO Ideas
time-logo
2025
#idea224
$8.60
Unique
x1
Thumbnail of minifigure idea225
Marie Curie
LEGO Ideas
time-logo
2025
#idea225
$7.43
Unique

Official Set Description for LEGO 21355 The Evolution of STEM

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 (née Skłodowska), 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.

  • Science gift for women, men and history-lovers – Celebrate groundbreaking innovations in science, technology, engineering and math with this collectible LEGO® Ideas The Evolution of STEM display model
  • LEGO® minifigures of 3 famous scientists – The “mother of modern physics” Marie Curie (née Skłodowska), Sir Isaac Newton, leader of the Scientific Revolution, and agricultural science pioneer George Washington Carver
  • Collectible display model for adults – 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 science-lovers and history buffs – Treat yourself or gift this LEGO® model kit to other adults with a passion for STEM subjects or history
  • A helping hand – Find building instructions on the LEGO® Builder app and in the box in a booklet that also features interviews with the set’s fan designer and LEGO Ideas designers
  • 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
  • Science-themed home decor – 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

Building Instruction for LEGO 21355 The Evolution of STEM

All LEGO Ideas sets from 2025

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