COBI F-35B vs F-4 Phantom: Which Fighter Jet to Build?
By COBI Bricks: Building Blocks For Kids, Construction Block | Published: 2026-10-29
Category: Comparisons
Deciding between the COBI F-35B Lightning II and the F-4 Phantom II? Compare scale, historical appeal, and build experience to choose the right jet for your collection.
Quick Answer
Choose the COBI F-35B Lightning II if you want a modern, fifth-generation fighter with STOVL capability and a sleek 1:48 scale build. Choose the COBI F-4 Phantom II if you prefer a classic Vietnam-era jet with a rich service history and a slightly lower price.
Two Eras of Fighter Jet Design
The COBI F-35B and F-4 Phantom II represent opposite ends of fighter jet history. The F-35B is a fifth-generation, single-seat, multi-role aircraft designed for short takeoff and vertical landing (STOVL), a direct successor to the Harrier. In contrast, the F-4 Phantom II is a supersonic multi-role fighter that served the US Air Force since the 1960s, known for its speed, weapon load, and combat roles in the Vietnam War.
This difference shapes the build experience. The F-35B offers a modern, stealth-inspired silhouette with advanced angles, while the F-4 Phantom II presents a more traditional, bulky fighter design. Your choice depends on which era of military aviation you find more compelling.
Scale and Display Considerations
Both sets are built in 1:48 scale, making them comparable in size and suitable for a cohesive display. However, the F-35B is a single-seat fighter, while the F-4 Phantom II typically has a two-seat cockpit—this is a visual difference you'll notice in the finished model.
If you plan to display these jets alongside other COBI military aircraft, the 1:48 scale ensures they fit well together. But remember: the F-35B's STOVL design means it can be posed in vertical landing configurations, adding dynamic display options that the F-4 Phantom doesn't offer.
Trade-offs at a Glance
- Modern vs. Classic: The F-35B represents cutting-edge fifth-generation technology and STOVL innovation, while the F-4 Phantom is a legendary Cold War-era fighter with a storied combat history. Choose based on which era inspires you more. If you already own classic jets like the F-4, the F-35B adds modern contrast; if you prefer a cohesive vintage lineup, the F-4 is the safer pick.
- Price Difference: The F-35B is priced at USD 54.39 (catalog comparison USD 84.99), while the F-4 Phantom is USD 50.36 (catalog comparison USD 72.99). The F-4 offers a slight savings, but the F-35B's higher comparison price suggests a more premium set. If budget is tight, the F-4 is the economical choice; if you value the modern design, the F-35B justifies its price.
- Display and Play Value: The F-35B's STOVL capability allows for vertical landing poses, adding dynamic display options. The F-4 Phantom's conventional design offers a more static, classic aircraft silhouette. For creative display, the F-35B wins; for a straightforward, iconic fighter look, the F-4 is better.
Key Product Facts
- COBI F-35B Marine Corps Lightning II Fighter Jet: Set #5912: The F-35B is an American, single-seat, multi-role, fifth-generation fighter with short takeoff and vertical landing (STOVL) capability, designed as a successor to the Harrier. This means you get a modern, advanced jet with unique vertical landing display possibilities, appealing to fans of contemporary military aviation.

COBI F-35B Marine Corps Lightning II Fighter Jet: Set #5912 - COBI F-4 Phantom II Jet Fighter: Set #5897: The F-4 Phantom II is a supersonic multi-role fighter that served in the US Air Force since the 1960s, used in interception, bombing, and reconnaissance missions, including during the Vietnam War. This set appeals to history enthusiasts who value a classic combat jet with decades of service, and it comes at a slightly lower price point.

COBI F-4 Phantom II Jet Fighter: Set #5897
Which Jet Fits You?
Best for
- Collectors of modern military aircraft who want a fifth-generation fighter with STOVL display options.
- Builders who enjoy a more advanced, futuristic design and don't mind a slightly higher price.
Not for
- History buffs focused on Vietnam-era aviation or those who prefer a classic, bulky fighter look—consider the F-4 Phantom II instead.

