STEM: Knowledge Is Power (LEGO 21355)

Author: lego_official

Building instructions for LEGO official set 21355 STEM: Knowledge Is Power. Series: LEGO® Ideas. Piece count: 879. Release year: 2025. Recommended age: 18+. 1 instruction manual in total.

STEM: Knowledge Is Power (LEGO 21355) cover

Brand
LEGO
Set number
21355
Series
Ideas
Category
Scenery
Pieces
879
Difficulty
5 / 5
Released
2025
Instruction pages
161 pages

About this set

This is LEGO Ideas 21355, a 879-piece scene set rated 5/5 for difficulty. The build centers on an open-book base whose pages carry a whole STEM tableau: a red ladder structure leans at the edge, a green tree grows upward, a colorful atom model is assembled from small spheres, and a microscope with a minifigure beside it anchors one side. A space shuttle, a spider, and a small building are placed around the pages, while books and a globe sit on the desk area. Red, green, blue, brown, white, yellow and orange parts are spread across the model, so sorting by color before you start saves time later. Build the book base and its hinge section first, then work through the upright elements such as the building, tree and ladder, and finish with the atom model, microscope, shuttle and spider so nothing fragile gets knocked loose while you move the model. With 879 pieces and that difficulty rating, it suits builders who already know the basics and want a science-themed display piece; newcomers should bag the colored decorative parts separately before beginning.

  • Category: Scenery
  • Difficulty: 5 / 5
  • Parts: 879
  • Brand: LEGO
  • Set number: 21355
  • Views: 6
  • Likes: 0

Instruction pages

STEM: Knowledge Is Power (LEGO 21355) building instructions page 1STEM: Knowledge Is Power (LEGO 21355) building instructions page 2STEM: Knowledge Is Power (LEGO 21355) building instructions page 3STEM: Knowledge Is Power (LEGO 21355) building instructions page 4STEM: Knowledge Is Power (LEGO 21355) building instructions page 5STEM: Knowledge Is Power (LEGO 21355) building instructions page 6STEM: Knowledge Is Power (LEGO 21355) building instructions page 7STEM: Knowledge Is Power (LEGO 21355) building instructions page 8STEM: Knowledge Is Power (LEGO 21355) building instructions page 9STEM: Knowledge Is Power (LEGO 21355) building instructions page 10