Head-to-head
LEGO Icons Back to the Future Time Machine vs LEGO Icons Loop Coaster
Both built. Both reviewed. Here's how they actually compare on the things that matter.
Set #10300
LEGO Icons Back to the Future Time Machine
The 1.21-gigawatt build. Three configurations, every callback from the films, and a minifig Marty and Doc that actually look like Marty and Doc.
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.
By the numbers
The spec sheet.
| Metric | LEGO Icons Back to the Future Time Machine | LEGO Icons Loop Coaster |
|---|---|---|
| Rating | 5/5 | 5/5 |
| Pieces | 1,872 | 3,756WINS |
| MSRP | $199.99WINS | $399.99 |
| Price per piece | $0.11 | $0.11 |
| Verdict | Must buy | Must buy |
| Best for | BTTF fans, 80s nostalgia builders, and anyone who wants a small-footprint Icons set with serious display energy. | Builders who want a kinetic LEGO showstopper, families with kids, and theme-park enthusiasts. |
Pros & cons
What I actually noticed.
LEGO Icons Back to the Future Time Machine
Pros
- Three movie-accurate configurations (BTTF1 road, BTTF2 hover, BTTF3 rail)
- Marty and Doc minifigs are the best versions LEGO has ever made
- Mr. Fusion, hover wheels, time-circuit display — every iconic detail is in there
- Compact footprint — fits a small shelf, unlike most Icons cars
- Easy 5–7 hour build, perfect for a weekend
Cons
- Hover-mode wheel swap takes 60 seconds and isn't elegant
- Side-vent stickers are unforgiving if you've never applied LEGO stickers before
- The flux capacitor light kit isn't included (third-party only)
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
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.