LEGO NINJAGO Ninja Fiakel Tree House Battle – 642 Pieces | Set 71857

LEGO® NINJAGO® Ninja Fiakel Tree House Battle – Set 71857

Team up with Kai, Zane in Dragon Form, Jay, and Yvrieja to defend their tree house hideout! Prepare for an attack in the Whispering Woods from the Acid Monster and its followers. Swing into battle on a dangling rope, or stop them with a secret trap that launches a boulder while a bridge spins around it. Then jump into Zane’s helicopter or Kai’s ninja motorbike to deliver the final blow!

Key Features

• 3-floor tree house with workshop, tea room, and balcony
• Secret boulder-launching trap and spinning bridge for action-packed defense play
• Stud launcher with dangling rope for swinging into battle
• Ninja motorbike with rolling wheels, minifigure saddle cockpit, and 2 stud launchers
• Helicopter with openable cockpit and spinning blades
• 6 minifigures included for epic ninja vs. villain battles
• Compatible with the LEGO® Builder app for 3D preview, zoom, rotate, and progress tracking
• Collect more LEGO® NINJAGO® sets (sold separately) featuring dragons, mechs, and vehicles

What's in the Box

• 642 pieces including a 3-floor buildable tree house, ninja motorbike, helicopter, 6 minifigures, and building instructions

Built to Play

Once assembled, the tree house stands over 9 in. (22 cm) tall, over 10 in. (26 cm) wide, and over 6 in. (15 cm) deep — a thrilling ninja battle fortress packed with action features.

Product Specifications

• Brand: LEGO
• Theme: NINJAGO
• SKU / Set Number: 71857
• Barcode (EAN): 5702018055670
• Age: 7+ years
• Material: Plastic
• Gross Weight: 1.023 kg
• Country of Origin: Czech Republic
• Color: Multicolor
• Language: English
• Box Dimensions (L × W × H): 38.2 × 26.2 × 7.05 cm
• Assembled Dimensions: 26 × 15 × 22 cm
• Carton Pack Quantity: 3 units
• Release Date: January 1, 2026

⚠ Warning: Choking hazard. Contains small parts. Not suitable for children under 3 years.