71804 Arin's Battle Mech

LEGO 71804 Arin's Battle Mech (104 pieces) costs €23.99 at Bol Marketplace right now. Best price for this version on BricksDeal: Bol Marketplace, €23.99 incl. VAT, free shipping (checked on 9 November 2026). Recommended price of this set: €14.99. €14 above the lowest of the last 90 days (€9.99): wait or set an alert.

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 toy includes an impressive mech figure to inspire kids to recreate exciting adventures from season 2 of the NINJAGO® Dragons Rising TV show.

This LEGO® 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.