Celestial Hercules DIY Aircraft Model Kit
A Mechanical Marvel Inspired by the Legendary Spruce Goose. Metal Time, the epitome of precision engineering, is proud to introduce the Celestial Hercules — a self-assembly model paying homage to the iconic Hughes H-4 Hercules, commonly known as the Spruce Goose. Crafted entirely from polished stainless steel, this mechanical masterpiece captures the essence of the legendary aircraft’s remarkable history and unique features.

Constructed during wartime aluminum restrictions and weight concerns, the aircraft earned the moniker “Spruce Goose” from critics despite being predominantly made of birch using the Duramold process. Mechanics, humorously referring to it as the “Birch Bitch,” offered a more accurate yet socially unconventional nickname. The Hercules is the largest flying boat ever built, boasting the widest wingspan of any aircraft until the Scaled Composites Stratolaunch took flight on April 13, 2019. The Spruce Goose is well-preserved and on public display at the Evergreen Aviation & Space Museum in McMinnville, Oregon, USA, after being showcased in Long Beach, California, from 1980 to 1992.
The Celestial Hercules is a testament to innovation and engineering prowess. Inspired by the Spruce Goose, our model recreates the largest flying boat ever built with meticulous attention to detail. Despite the historical “unhappiness” of the original plane, we’ve brought it to life, defying history and presenting a mechanical marvel that conquers the sky.
- Windup mechanism
- Rotating propellers
- Realistic Movement
- Detailed Examination
- Exciting Assembly
- Removable pedestal
| Quantity of parts, pcs |
178 |
| Difficulty level, from 1 to 8 |
5 |
| Hours to assemble (average) |
10 |
| Model size (cm) |
28×12×19 |
| Model size (inch) |
11.1×4.70×7.40 |
What is in the box?
| Steel sheets, pcs |
5 |
| Power spring |
YES |
| Gears |
YES |
| Pliers |
YES |
| File |
YES |
| Assembling Gloves |
YES |
| Polishing cloth |
YES |
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Return Policy
5 Hours: Mistakes happen when ordering, so you have 5 hours to request a refund for any reason, including if you don’t want to pay the tariff. However, Stripe will not refund you their processing fee if you cancel your order.
All Sales Are Final: After 5 hours, we cannot cancel your order or issue a refund because order cancellations require reverse tariff payments and multiple shipping fees, which are very costly and time-consuming. For technical issues, we will be happy to assist you in resolving problems and provide a replacement if you can prove that the product has a manufacturing defect.
Exchange Policy: We want you to be happy with your new purchase. However, once you have used the product, we cannot issue a refund. But we will offer an exchange for a product that has irreversible manufacturing defects or technical problems. If you purchased the wrong product, then you, as the customer, will be responsible for the re-shipping fees and tariffs. If the product you purchased is defective, email us at support@ozrobotics.com with photos or a video of the faulty parts so we can evaluate it before arranging for a replacement.
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