Head-to-head
LEGO Icons Back to the Future Time Machine vs LEGO Icons Optimus Prime
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 #10302
LEGO Icons Optimus Prime
Robot mode. Truck mode. The Matrix of Leadership. The first LEGO set that actually transforms — and the only Transformer worth your shelf space.
By the numbers
The spec sheet.
| Metric | LEGO Icons Back to the Future Time Machine | LEGO Icons Optimus Prime |
|---|---|---|
| Rating | 5/5WINS | 4/5 |
| Pieces | 1,872WINS | 1,508 |
| MSRP | $199.99 | $179.99WINS |
| Price per piece | $0.11WINS | $0.12 |
| Verdict | Must buy | Recommended |
| Best for | BTTF fans, 80s nostalgia builders, and anyone who wants a small-footprint Icons set with serious display energy. | Transformers fans and builders who want a set with genuine play value, not just display. |
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 Optimus Prime
Pros
- Genuinely transforms between robot and truck modes — no parts swap
- Movie-accurate G1 design, not the Bayverse style
- Includes the Energon Axe, Ion Blaster, Energon Cubes, and Matrix of Leadership
- Best-looking Transformers LEGO set by a large margin (vs Bumblebee, Soundwave)
Cons
- Transformation requires patience — first time takes 15+ minutes
- Some joints loosen over multiple transformations
- The hands are clip-on accessories, not articulated fingers
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.