⌘ K
"LEGO City Robot World earns near-universal love from buyers — its working roller coaster, arcade-themed details, and collaborative build experience make it one of the most fun and personality-rich City sets in recent memory, with a BrickScore of 44.3 reflecting strong cross-the-board ratings."
Reviewers are overwhelmingly enthusiastic about LEGO City Robot World (60421), praising it as a fun, feature-packed set that appeals to a wide age range — from young kids building with parents to teens and adults. The functional roller coaster is the clear star attraction, drawing consistent excitement, while the themed arcade and activity details add rich personality. The 986-piece build is widely described as approachable, engaging, and a great collaborative family project taking around 4 hours to complete.
Where they split: Agreement among reviewers is extremely high — the only minor split is around build experience, where a small number found some instructions slightly vague while the majority found them easy to follow. No meaningful disagreement on overall quality or value.
Is this a smart buy? BrickPicker's data-grounded investment verdict.
Unlock the Max Profit Opinion: our stance (buy / accumulate / hold / pass), the reasoning, the exact data behind it (eBay + BrickLink comps, CAGR vs MSRP, our retirement model), and whether the reviewer community agrees.
"I kept this set under wraps all year, but it's been one of my top picks ever since I discovered it in the summer."
DG Bricks
"One of the best LEGO nostalgia trips to date, paired with an excellent roller coaster that will provide plenty of fun."
Brick Fanatics"I kept this set under wraps all year, but it's been one of my top picks ever since I discovered it in the summer."
"One of the best LEGO nostalgia trips to date, paired with an excellent roller coaster that will provide plenty of fun."
Amazon4.9Walmart4.6LEGO.com4.9
Target4.8
