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LEGO Newbury Abandoned Prison

Set #70435 · 2020 · 400 pieces · Moderate build

LEGO Newbury Abandoned Prison set 70435 instructions

Set Details

Set Number
70435
Name
Newbury Abandoned Prison
Year
2020
Pieces
400
Complexity
Moderate
Build Time
1-2 hours
Ages
8+
Type
Play-focused
LF
LegoFinder Editorial Team·Set data verified 2026·How we research sets

About LEGO Newbury Abandoned Prison

LEGO Newbury Abandoned Prison (set #70435) is a detailed build with 400 pieces from the Hidden Side theme, released in 2020. The Hidden Side line features haunted locations with augmented reality ghost-hunting gameplay. This is a moderate-level build suitable for ages 8+, with an estimated build time of 1-2 hours.

Set Highlights

  • 400 pieces at moderate complexity — a 1-2 hours build.
  • Compatible with all standard LEGO sets — bricks extend naturally into other sets you own.
  • Play-focused build with interactive elements designed for 8+ builders.

Who Is This Set For?

Gift for Ages 8+

The moderate difficulty makes this accessible without being trivial — a well-matched gift for LEGO fans in the 8+ age range.

Weekend Build Project

400 pieces with an estimated 1-2 hours fits comfortably into a focused afternoon or weekend session.

Expanding a Hidden Side Collection

A solid addition for collectors building out their Hidden Side shelf. Introduces parts and builds that complement other sets from the same line.

Build Tips

1

A five-minute sort by color or piece type before starting saves time hunting for specific bricks mid-step.

2

Follow the numbered steps in sequence — structural elements early in the build support everything that comes after.

3

For active play sets, key connection points (hinges, turntables, clip joints) can loosen over time — a small dab of LEGO's own tube clutch lubricant on the stud resolves most looseness without damage.

Finding Instructions

Building instructions for LEGO Newbury Abandoned Prison (#70435) are available as a free PDF on LEGO.com. You can also upload a photo of this set to LegoFinder to identify it and access the instructions directly.

Newbury Abandoned Prison FAQ

Related Reading

More Hidden Side Sets

See all Hidden Side

Also Released in 2020

All 2020 sets →

Similar Build Difficulty

Sets at roughly the same piece count and complexity tier — different theme and year, but a similar build experience.

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