--- product_id: 597308860 title: "LEGO NINJAGO Arin’s Battle Mech, Ninja Toy Set for Kids with Arin Ninja Minifigure and Katana Sword Accessory, Gift Idea for Boys and Girls Aged 4 Years Old and Up, 71804" brand: "lego" price: "$44.73" currency: USD in_stock: true url: https://www.desertcart.us/products/597308860-lego-ninjago-arin-s-battle-mech-ninja-toy-set-kids store_origin: US region: United States of America --- # Posable mech with rotating blade 104-piece build complexity 2 minifigures with weapon accessories LEGO NINJAGO Arin’s Battle Mech, Ninja Toy Set for Kids with Arin Ninja Minifigure and Katana Sword Accessory, Gift Idea for Boys and Girls Aged 4 Years Old and Up, 71804 **Brand:** lego **Price:** $44.73 **Availability:** ✅ In Stock ## Summary > ⚔️ Build. Battle. Belong. Unleash your inner ninja hero! ## Quick Answers - **What is this?** LEGO NINJAGO Arin’s Battle Mech, Ninja Toy Set for Kids with Arin Ninja Minifigure and Katana Sword Accessory, Gift Idea for Boys and Girls Aged 4 Years Old and Up, 71804 by lego - **How much does it cost?** $44.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/597308860-lego-ninjago-arin-s-battle-mech-ninja-toy-set-kids) ## Best For - lego enthusiasts ## Why This Product - Trusted lego brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Minifigure Action:** Includes Arin and Wolf Mask Warrior with authentic katana and sword accessories for immersive role-play. - • **Adventure-Loaded Playset:** Features flyer with posable wings, disc shooter, crystal cave, magic mallet, and weapons rack for endless storytelling. - • **Dynamic Battle Ready Mech:** Fully posable limbs and rotating blade bring epic NINJAGO Dragons Rising battles to life. - • **Perfect Gift for Future Builders:** Starter Brick base ensures quick, confident builds—ideal for young ninjas and family bonding moments. - • **Master the Art of Ninja Engineering:** 104 precision LEGO pieces designed to spark creativity and fine motor skills in kids 4+. ## Overview LEGO NINJAGO Arin’s Battle Mech (71804) is a 104-piece building set designed for kids aged 4 and up, featuring a posable mech with rotating blade, two detailed minifigures armed with swords, and an adventure-packed play environment including a flyer, crystal cave, and weapons rack. Inspired by the Dragons Rising TV series, it offers a dynamic, hands-on experience that develops creativity, storytelling, and fine motor skills. ## Description Arin’s Battle Mech (71804) ninja toy lets kids aged 4+ learn to build as they join in with their ninja heroes’ attempt to save their dragon friends. This role-play action ninja play set includes an impressive mech figure to inspire kids to recreate exciting adventures from season 2 of the NINJAGO Dragons Rising TV show. This LEGO ninja toy set comes with 2 minifigures: Arin with a katana accessory and a Wolf Mask Warrior with a sword accessory. Arin fits in the posable mech figure, which wields a large sword and rotating blade, while the Wolf Mask Warrior can fly in a glider that has posable wings, a disc shooter and 2 spears. There’s also a brick-built crystal cave with a magic mallet inside and a weapons rack with 2 golden katana sword accessories. This ninja toy has been designed to provide a fun experience for children aged 4+ who are discovering the joy of building with LEGO bricks. The set comes with a Starter Brick: a partly constructed base that gets kids building quickly and with confidence. Contains 104 pieces. ## Features - Learn-to-build ninja toy for kids – Boys and girls aged 4 years old and up can discover the joy of building and play out ninja stories with the all-action Arin’s Battle Mech playset - Posable mech toy – Kids can recreate battles from season 2 of the NINJAGO Dragons Rising TV show with this mech ninja figure featuring a cockpit, posable limbs, rotating blade and large sword accessory - 2 LEGO NINJAGO minifigures – Ninja playset includes an Arin minifigure armed with a katana accessory so kids can role-play action against the Wolf Mask Warrior with his sword - Flyer and crystal cave – Role-play toy set includes a flyer with posable wings, a disc shooter and 2 spear elements, a crystal cave with a magic mallet, and a weapons rack with 2 katana sword elements - Ninja gift – LEGO set provides a fun build-and-play experience and is a gift idea for kids aged 4 and up to fuel their imaginations and develop their storytelling skills - Discover more ninja toys for kids – Look out for other NINJAGO playsets (sold separately) featuring dragons, mechs and ninja legends - Introduction to building with LEGO bricks – 4+ LEGO playsets help youngsters learn how to build, while allowing the rest of the family to share in the fun ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGY2XDBJ | | Best Sellers Rank | #154,911 in Toys & Games ( See Top 100 in Toys & Games ) #5,002 in Toy Building Sets | | Brand Name | LEGO | | Color | Multicolor | | Customer Reviews | 4.7 4.7 out of 5 stars (450) | | Included Components | LEGO Building Elements | | Item Dimensions | 8.07 x 7.52 x 1.81 inches | | Item Type Name | Building Kit | | Item Weight | 8.16 ounces | | Manufacturer | LEGO | | Manufacturer Maximum Age (MONTHS) | 1200 | | Manufacturer Minimum Age (MONTHS) | 48 | | Manufacturer Part Number | 6465066 | | Material Type | Plastic | | Model Number | 6465066 | | Number of Pieces | 104 | | Sub Brand | Ninjago TV Series | | Theme | LEGO | | UPC | 673419387132 | | Unit Count | 1 Count | | character | Arin | ## Images ![LEGO NINJAGO Arin’s Battle Mech, Ninja Toy Set for Kids with Arin Ninja Minifigure and Katana Sword Accessory, Gift Idea for Boys and Girls Aged 4 Years Old and Up, 71804 - Image 1](https://m.media-amazon.com/images/I/81Zg7eVqJKL.jpg) ## Frequently Bought Together - LEGO NINJAGO Arin’s Battle Mech, Ninja Toy Set for Kids with Arin Ninja Minifigure and Katana Sword Accessory, Gift Idea for Boys and Girls Aged 4 Years Old and Up, 71804 - LEGO NINJAGO Jay’s Mech Battle Pack Adventure Toy Set for Kids, with Jay Minifigure and Mech Figure, Creative Ninja Gift for Boys and Girls Aged 6 Years Old and Up, 71805 - LEGO NINJAGO Zane's Battle Suit Mech Ninja Toy - Building Toy for Pretend Play for Kids, Boys and Girls, Ages 6+ - with 3 Minifigures - Gift Idea for Birthdays - 71827 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/597308860-lego-ninjago-arin-s-battle-mech-ninja-toy-set-kids](https://www.desertcart.us/products/597308860-lego-ninjago-arin-s-battle-mech-ninja-toy-set-kids) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-24*