LEGO NINJAGO City Workshops (71837) – 3,244-Piece Teen Building Set with Mech & 10 Minifigures

Product Overview

Expand your LEGO NINJAGO collection with the LEGO NINJAGO City Workshops set (71837). Designed for teens and fans, this sprawling build blends city life with ninja action across four action-packed floors. A mechanic's workshop and two working cranes add authentic detail, while a first-of-its-kind posable mech invites customization with armor and stickers. With 3,244 pieces, this set offers a satisfying, immersive build and a bold display presence when complete.

Key Features

• 4 floors of vibrant city life, including removable sections for standalone display
• Two working cranes to lift and lower mech parts between levels
• First NINJAGO City build to include a posable, customizable mech with armor and stickers
• Brick-built Dorama’s Puppet figure for dynamic storytelling and battles
• Includes 10 minifigures: Zane, Pixal, Dorama, Dr. LaRow, Harumi, Twitchy Tim, and more
• Mech bay platform to showcase the completed mech and its adventures

Teens can explore the set as a creative project and display it with pride. The City Workshops pair dramatic architectural detail with game-ready play spaces, inviting both imaginative play and careful display.

Build, Play, and Display

The LEGO Builder app supports a guided building experience, letting you zoom in, rotate models in 3D, and save progress with a digital version of the printed instructions. After assembly, the model stands over 16 in. (41 cm) high and measures 10 in. (25 cm) wide and deep, delivering a substantial presentable form for desks, shelves, or display cases.

What You Get

• 3,244 bricks to fuel creative construction and customization
• 10 NINJAGO minifigures plus a brick-built Dorama’s Puppet figure
• A rich mix of bricks, armor elements, and stickers for the customizable mech
• Ages 14+ framing the set as a thoughtful gift for teens and dedicated fans

Beyond the building process, this set invites rich storytelling: recreate epic moments from the Dragon Rising universe, imagine city-side ninja maneuvers, or curate your own battles across the four floors. The design emphasizes options and display, so you can shape the scene to your taste without promising guaranteed outcomes. If you love expansive city builds and collectible ninjas, this set delivers a compelling mix of complexity, character, and display-ready presence.