Arin is a small but mighty Ninjago addition.
Before you buy
Arin is a small but mighty Ninjago addition. This polybag offers a quick and accessible entry point into the world of Ninjago, featuring a key character and cool accessories.
This set is perfect for younger Ninjago fans or those looking for a small gift or add-on. The build is simple and satisfying, providing a taste of the Ninjago universe.
Skip this if you are looking for a complex build or a large display piece. Consider larger Ninjago sets for a more in-depth building experience.
Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer
The official piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.
Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.
Bricks By Mind compares the official LEGO Ninjago Arin's Spinjitzu Battle Mech (71839) to a custom version, noting design and color scheme differences. A key point of contention is the official mech's bulky legs versus the custom mech's thinner legs, with the reviewer sharing their preference.
The official piece count includes the 4 parts inside the set's minifigures, which this inventory lists separately. Spare parts are counted in neither figure.
Missing a piece? Use the Missing Piece Checker.