Monkie Kid's Lion Guardian

"With a BrickScore of 75.4, Monkie Kid's Lion Guardian is a fun, parts-rich mech set that delivers on playability and theme authenticity — but some design roughness, a six-legged spider blunder, and a thematically awkward arcade module keep it from being a must-buy rather than a solid buy."

Monkie Kid's Lion Guardian (80021) is a well-regarded mid-tier entry in the Monkie Kid line, earning a BrickScore of 75.4 across its reviewers. The mechanical lion mech is the undisputed star — praised for its movable jaw, leg articulation, spring-shooters, and vibrant visual consistency with the Monkey King Warrior Mech — while the included arcade room and mechanical spider add playful variety even if they feel thematically mismatched. Parts value is a genuine highlight, with approximately 774 pieces and five minifigures delivering strong price-per-piece. However, critics note the lion's design can look messy or boxy from certain angles, the six-legged spider is an accuracy miss, and fragile elements (tail, neck rims) undercut the otherwise fun build. The set is broadly recommended for Monkie Kid fans and families building together, though more casual shoppers may find it only satisfying rather than essential.

Where they split: Reviewer scores split noticeably on value and design aesthetics: LEGO.com owner reviewers rated it 100/100 enthusiastically, while the Brickset reviewer landed at 85 (positive/buy recommendation) and Hoth Bricks was more measured at 65 with mixed sentiment — calling the lion design "messy" and the arcade module underdeveloped. The arcade's inclusion was seen as a fun bonus by some and an out-of-place, undercooked module by others.