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Set 21315 Pop-Up Book
LEGO Ideas and CUUSOO

Pop-Up Book

Pop-Up Book is a mechanical LEGO® Ideas set built like a fairy-tale book: turning a hand crank folds and unfolds two built scenes as the pages move. With 859 pieces and 4 minifigures, it tells a small two-chapter story rather than showing a single static scene. Dark green, light grey, reddish brown and white give both pages a warm, storybook feel.

Set number
21315
Year
2018
Pieces
859
Minifigures
4
Theme
LEGO Ideas and CUUSOO
Different parts
195
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 195

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (30)

These extra parts come with the set in case one gets lost.

Minifigures 4

Description

Built around a working mechanism

What sets this model apart is the gearing hidden in the book's spine: a hand crank drives a simple train of gears and levers that raises a three-dimensional scene automatically as the book opens. It is one of the few LEGO Ideas sets where the mechanism itself is the main attraction rather than a static finished shape. For anyone curious about how basic Technic-style gearing can be built from ordinary bricks, it is a compact, approachable example rather than an overwhelming one. Testing the mechanism step by step before adding the outer panelling makes the first build noticeably easier to follow.

Two pages, two scenes

One page opens into a fairy-tale landscape complete with trees, a tower and small fantastical details, while the opposite page holds an entirely separate setting. That split naturally divides the 859 pieces into two manageable building sessions, which makes the set more approachable than its piece count might suggest for anyone new to larger Ideas sets. The 4 minifigures are distributed so each page can be played with on its own, without figures needing to move between scenes. That leaves enough room to play out each scene individually with its own figures before folding the book shut again.

A storybook colour scheme

The four main colours track the two pages closely: dark green and reddish brown carry the landscape scene with its trees and terrain, while light grey and white handle architectural elements such as the tower and the book pages themselves. The parts list on this page lists all 195 unique elements by colour, useful for picking out natural or structural pieces for other fairy-tale or fantasy builds rather than searching the full set by hand. That clear split also makes it easier to hunt down specific shades for other diorama projects later on.

A fan design turned official set

Like every LEGO® Ideas release, Pop-Up Book started as a community design that gathered enough support to be produced officially. With 195 unique elements spread across 859 total pieces, the focus sits clearly on distinctive shapes rather than large batches of identical bricks, which makes the set appealing to collectors after unusual building ideas outside the usual vehicle or building themes. It is a good reminder of just how different LEGO Ideas sets can be compared with more conventional theme lines.

FAQ

How does the Pop-Up Book mechanism work?
A hand crank drives a simple gear train that raises a three-dimensional scene automatically as the book is opened.
How many pieces and minifigures does the set have?
Pop-Up Book (21315) has 859 pieces, including 195 unique elements, and comes with 4 minifigures.
Is Pop-Up Book a LEGO Ideas set?
Yes, it is based on a fan design submitted to the LEGO Ideas platform and later released as an official set.

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