Coming in at 986 pieces, the Robot World (60421) is a well-sized set that hits a nice sweet spot from the City lineup. It debuted in 2024 at $99.99. It comes packed with 8 minifigs — always a nice bonus for collectors.
At $0.101 per piece, the value here is reasonable — right in line with what you'd expect from City.
The Robot World is a solid entry in the City range — nothing flashy, but well-built and fun.
Key Features
986 pieces — Solid build size with a good level of detail
8 minifigures — Solid roster of characters for play and display
$0.101 per piece — Strong price-per-piece for this theme
2024 release — Part of LEGO's modern era with strong design standards
Theme Background
LEGO's City theme is a powerhouse in the LEGO lineup with serious collector following, and the Robot World is a 2024 release that lands in a great entry point into the City theme at $99.99. The $0.101 per piece is in line with City averages.
For collectors and investors, City remains a reliable theme to watch. Sets at this price point tend to find their audience, especially once they start approaching retirement.
Why This Set Is Special
Part-out value 2.2x retail. The individual parts are worth $221.35 on BrickLink — 2.2x the $99.99 retail price. Exceptional part-out value.
Demand outpaces supply — The want-to-own ratio is 2.2x — 1,267 want it vs 568 who own it, suggesting strong unmet demand.
Frequently Asked Questions
[{"q": "How many pieces are in the LEGO Robot World (60421)?", "a": "The LEGO Robot World (60421) contains 986 pieces, making it a mid-range set. Within the City theme, it ranks in the top 5% by piece count. This set offers a manageable build that can be completed in a sitting or two, making it a good choice for builders of all experience levels."}, {"q": "What minifigures come with the LEGO Robot World (60421)?", "a": "The LEGO Robot World (60421) includes a large selection of 8 minifigures. Minifigures are a key value driver for LEGO sets \u2014 exclusive or rare minifigures can appreciate significantly in value on their own, sometimes commanding high prices on the secondary market. With 8 figures included, this set provides strong collectible value beyond the build itself."}, {"q": "How much does the LEGO Robot World (60421) cost?", "a": "The retail price (MSRP) for the LEGO Robot World (60421) is $99.99 in the United States. Regional pricing is \u00a389.99 in the UK, CA$129.99 in Canada, \u20ac99.99 in Europe. This works out to $0.10 per piece. That places it in the top 25% of City sets for value \u2014 you get a lot of pieces for the price you pay."}, {"q": "Is the LEGO Robot World (60421) a good investment?", "a": "The LEGO Robot World (60421) shows favorable investment potential based on several factors. Key investment signals include: strong minifigure lineup, excellent price-per-piece value. City sets have historically been among the best-performing themes for post-retirement appreciation. As with any LEGO investment, buying at or below retail price maximizes potential returns. Use the BrickBucks price tracker to find the best entry point."}, {"q": "What age is the LEGO Robot World (60421) suitable for?", "a": "The LEGO Robot World (60421) is recommended for ages 8+. The build is designed to be approachable for younger builders while still providing an enjoyable experience."}, {"q": "How big is the LEGO Robot World (60421)?", "a": "The LEGO Robot World (60421) measures approximately 53.60cm \u00d7 28.00cm \u00d7 9.00cm (W\u00d7H\u00d7D) and weighs 1.95kg. It makes for a great display piece that won't take up too much shelf space."}, {"q": "Is the LEGO Robot World (60421) still available?", "a": "The LEGO Robot World (60421) retired on December 31, 2025 and is no longer available at retail. You can find this set on secondary markets including Amazon, eBay, and BrickLink. Retired City sets often trade at a premium above their original retail price, with demand typically increasing over time as sealed inventory decreases."}, {"q": "Where can I buy the LEGO Robot World (60421)?", "a": "The LEGO Robot World (60421) is retired and only available on secondary markets. Check Amazon, eBay, and BrickLink for current listings. Use the BrickBucks price tracker to compare prices across retailers and find the best deal."}]
