Head-to-head
LEGO Icons Loop Coaster vs LEGO Icons NASA Artemis Space Launch System
Both built. Both reviewed. Here's how they actually compare on the things that matter.
Set #10303
LEGO Icons Loop Coaster
Loops. Drops. A working motor. The largest LEGO roller coaster ever made — and the most fun you can have with a single Icons set.
Set #10341
LEGO Icons NASA Artemis Space Launch System
The SLS rocket. The Orion spacecraft. The mobile launcher. NASA's return to the Moon, captured in LEGO at 1m of vertical display energy.
By the numbers
The spec sheet.
| Metric | LEGO Icons Loop Coaster | LEGO Icons NASA Artemis Space Launch System |
|---|---|---|
| Rating | 5/5 | 5/5 |
| Pieces | 3,756WINS | 3,601 |
| MSRP | $399.99 | $259.99WINS |
| Price per piece | $0.11 | $0.07WINS |
| Verdict | Must buy | Must buy |
| Best for | Builders who want a kinetic LEGO showstopper, families with kids, and theme-park enthusiasts. | Space enthusiasts, NASA fans, and Icons collectors who want a vertical display centerpiece without the architectural bulk. |
Pros & cons
What I actually noticed.
LEGO Icons Loop Coaster
Pros
- Largest LEGO roller coaster ever produced — 88cm tall, 1m wide
- Motorized car system — cars actually loop the track and return
- 11 minifigures including park staff, riders, and fairground vendors
- Hot dog stand, balloon stand, and vignette accessories
- Most kinetic Icons set since the [PAC-MAN Arcade](/reviews/pac-man)
Cons
- $400 is the highest Icons funfair MSRP to date
- Motor unit (Powered Up hub) sold separately — adds another $80 if you don't own one
- Footprint demands a dedicated display surface
LEGO Icons NASA Artemis Space Launch System
Pros
- 1m of vertical display height — the tallest LEGO space set ever made
- Iconic orange-and-white SLS livery in actual brick colour, not stickers
- Removable Orion spacecraft sub-build at the top
- Mobile launcher tower with detailed servicing arms
- Booster separation stages display modes
Cons
- Vertical footprint demands 1m+ of ceiling clearance
- Mobile launcher tower is tall and tip-prone — anchor it
- Some sticker work on the SLS livery panels
Made up your mind?
Pick a retailer.
Comparison generated from our individual reviews. Pros, cons, and ratings come from full hands-on builds — see each review for the complete take.