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Caspian Sea Monster Ekranoplan Model DIY Kit

Original price was: $89.00.Current price is: $59.00.


The KM (Korabl Market, literally “Model-Ship”), known colloquially as the Caspian Sea Monster, was an experimental ground-effect vehicle developed in the 1960s. From 1966 to 1988, it was the largest and heaviest aircraft in the world. The United States’ surprise discovery and subsequent attempts to determine its purpose became a distinctive espionage event during the Cold War.

It was tested in the Caspian Sea for 15 years until 1980 when it was destroyed following a crash caused by pilot error. There were no human casualties, but the KM was damaged, and no attempts were made to save it. It was left to float before eventually sinking a week later. The KM was deemed too heavy to recover and has remained underwater at the crash site ever since.

The KM remained the largest aircraft in the world and is the second-largest aircraft ever built, behind the Antonov An-225 Mriya that flew for the first time in 1988.

Caspian Sea Monster Ekranoplan Model DIY Kit

The Ekranoplan is a remarkable invention that combines the features of a glider, an airplane, and a boat into a single mechanism. This vehicle can fly over relatively flat surfaces such as deserts, fields, and water, utilizing air cushion effects generated by the airflow ascending off the surface.

In the 1960s, a big, mighty machine was built. It was a secret soviet project named “KM,” a soviet trial to make a warship from the world’s biggest Ekranoplan. The “Caspian Sea Monster” model underwent several test flights but was deemed impractical after several accidents. However, the audacity of the engineering concept in the “Caspian Sea Monster” still captivates enthusiasts of significant mechanisms and machines, inspiring designers to achieve new accomplishments.

The engineers at “Metal Time” didn’t overlook this remarkable object and created a model based on the core concept of the “KM” project. This aircraft had ten jet engines, short wings, and distinctive features in its tail section. It was designed for flights over water surfaces and could glide during takeoff and landing. All these features were incorporated into the “Caspian Sea Monster” self-assembly model.

Features and Benefits

  • The self-assembly model “Caspian Sea Monster” has a platform on which the Ekranoplan is placed. The platform can be detached, allowing the model to be used for various purposes, such as prototypes, installations, technological toys, and more.
  • Schematic jet engine turbines are positioned on the model’s fuselage, nose, and tail sections—eight in the front and two in the rear.
  • This configuration made the “Caspian Sea Monster” prototype a unique aircraft with no equal in the world.
  • The model is made from colorful stainless steel, giving it vibrancy and a worthy interior decoration.
  • Distinctive features of the “Caspian Sea Monster” model include windows on the fuselage, wing geometry, and movable ailerons on the main wings and tail section.
  • Like all Metal Time assembly kits, the “Caspian Sea Monster” model is made from environmentally friendly stainless steel, is used in the food industry, and has been approved for manufacturing consumer goods and toys.
  • The kit’s precise cutting eliminates the possibility of cuts during assembly. The parts are precisely aligned with each other, ensuring a smooth assembly process.
  • Pleasant tactile sensations, durability, and the aesthetics of matte metal distinguish steel parts favorably from wooden or plastic components used in other kits.
  • The convenient flat packaging made from recyclable, eco-friendly cardboard combines compactness with the aesthetics of a prestigious gift.
  • Every “Metal Time” model purchaser receives a club badge, a thank-you postcard, and a unique number assigned to each model. Joining the “Metal Time” club provides additional opportunities for each customer.
  • The “Caspian Sea Monster” Model is an excellent gift for enthusiasts of technical creativity and the aesthetics of complex metal structures. The colored components also transform the model into a beautiful and unusual toy.
  • This model will add uniqueness to your interior. This distinctive piece will spark many questions from guests about its history. It will be a fantastic gift for young builders and future engineers.
  • The “Caspian Sea Monster” can also be a worthy addition to a child’s room. Additionally, having the model in a professional setting will emphasize the owner’s originality and knowledge of technological history.

The “Caspian Sea Monster” assembly model is designed for users aged 14 and older.

Studying and assembling the model develops technical creativity skills, encourages the exploration of the history of science and technology, and provides an excellent activity for family leisure. Assembling the “Caspian Sea Monster” model will provide numerous creative moments while requiring hands-on work. With its multitude of parts, assembling it is a rewarding task. However, the entire family will be able to take pride in the collective achievement. For interest clubs and friendly gatherings, it’s an exciting and motivating activity.

The “Caspian Sea Monster” could become part of your “Metal Time” collection, dedicated to aviation, military technology, and unique large machines. Studying the history of aircraft development will reveal many exciting and valuable facts. Perhaps assembling this specific model will awaken your inner builder’s passions or serve as a push toward choosing an engineering profession.

Each of our models is assigned a unique serial number, turning them into collectible and exchangeable items. Metal Time is a growing community of passionate individuals engaged in construction. Every model comes with the “Metal Time “club badge, signifying the owner’s membership in a community of enthusiasts of technical creativity and unique examples of technology created throughout history.

The “Metal Time” “loyalty program regularly offers pleasant surprises to the owners of our models.

Product Datasheet and Manual

If applicable, the Product Documentation, such as the Datasheet, Brochure, Reference Materials, CAD Design, STP Files, Manuals, and Tutorials, will be available for download upon purchase from the My Account as needed. On the checkout page, please create an account to download product-related files upon purchase. You won’t be able to download otherwise.


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Each kit is used on a DIY basis. To assemble the prototypes, neither engineering nor mechanical skills are needed. Diligence, determination, and focus are all that are needed. Our skilled engineers and professionals have ensured the best design and assembly of the components. Screwdrivers, glue, or soldering irons aren’t required in the assembly process. On the other hand, pliers are paramount in this process.

Shipping Policy

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WE SHIP WORLDWIDE: We primarily ship via FedEx, UPS, DHL, and USPS because they’re reliable, fast, and easily trackable. We usually ship within two to three business days after the full payment. Standard delivery generally occurs within 5 to 7 business days after the shipping date. However, the delivery may take about 7 to 10 business days, depending on the shipping destination, logistics, weather conditions, product weight, size, or shipping company distribution structures.

SHIPPING COSTS: For some industrial products, e.g., heavy wheels, CNC machines, etc., the shipping cost is calculated based on the product weight, not quantity. To benefit from lower shipping costs for orders with multiple items, please contact us at sales@ozrobotics.com. Our shipping rates are listed clearly on each product page under the SHIPPING tab. Additionally, to see the shipping cost for your country, add the item to the Shopping Cart; you will see the shipping cost based on your Country and Location.

CUSTOMS and TARIFFS: While not all products require a tariff, some products may require a minimal tariff if applicable in your country. The total amount for your order does not include a customs fee/tariff. The United States Customs and Border Protection (CBP) deducts import tax, or customs duty, on goods valued over $800 USD from customers located in the US. A tariff belongs to the buyer when applicable. Why don't we add tariffs to the product's retail price? - If all countries deducted the same tariff amount, we would have added the tariff amount to the product price. However, we do not do that because each country charges a different amount, while some do not even charge. Therefore, we can't add any tariff to the product's retail pricing. Oz Robotics, manufacturing partners, or Suppliers are not responsible for tariffs. Please check the "Made In:" and "Brand:" labels on the product page to see the product's origin. The total amount for your order does not include any duties, import taxes, customs fees, and GST/VAT. The buyer must pay all import duties. If you choose not to pay the tariff and parcel returns, there will not be any refund. Please click here to see more on Tariffs.

Return Policy

WITHIN 5 HOURS: Mistakes happen when ordering, so you have 5 hours to request an order cancellation, but we cannot refund the PayPal or Stripe Processing fee because they do not refund us.

AFTER 5 HOURS: After 5 hours, your order has either been shipped, prepared to ship, or custom-made. If you still want to cancel your order after 5 Hours, we will deduct 30% of the total for restocking + PayPal or Stripe processing fees and the Return Shipping cost for unopened packages.

AFTER RECEIVING YOUR ORDER: If you decide not to keep your order after it arrives, we will deduct 80% of the total if we find it refundable after a review. Please see our Refund and Replacement Policy

EXCHANGE POLICY: Oz Robotics wants you to be happy with your new purchase. However, we abide by the exchange policy of our suppliers because we do not manufacture these products; our suppliers do. Once you use the product, our supplier(s) and we have the right not to issue a refund. Still, we will offer an exchange for wrongly purchased items or products with serious and irreversible defects or technical problem(s). The buyer will pay the shipping fee for wrongly purchased products or similar issues. If the product you purchased is defective, please email us at support@ozrobotics.com with photos or a video of the defective parts to evaluate before you send it. Click HERE for more on Refund and Replacement Policy

REFUND POLICY: Oz Robotics accepts refunds on a minimal basis unless there is a manufacturing defect. For electronic items, returns are only accepted on devices with serious and irreversible problems; meanwhile, the customer must apply for the returns within seven days of delivery. Before a refund acceptance, please include images or a video and any other proof of the defect. However, we abide by the exchange policy of our suppliers because we do not manufacture these products. For more info please visit Refund and Replacement Policy.

Other than our supplier's default policy, once a return is agreed upon, you can ship your defective item to the provided return address that you should receive from us first. Please ship the order in original packaging with all the accessories and additional parts. If the Required Parts are not sent back, they will be billed for or expected to be shipped later. And only once all items have arrived will our staff check the returned product for testing. Include in your package a signed letter stating the reason for your return, the original receipt, proof of defect, images, a video, etc. It will help us to speed up the process on your behalf.

The purchaser (customer/buyer) is responsible for all shipping costs when returning an item. However, upon receiving the returned order, we will assess the product. If it is determined that there is, in fact, a manufacturing defect, then we will refund the shipping costs as well as repair or replace or refund the full amount to the purchaser if the product is not fixable.

If you wish to return an unused product, please do so within seven days from the ship date for a refund on the purchase price minus shipping and handling. Refunds will be credited to the original credit card used for payment 24-48 HOURS after receiving the product back. We will charge a 80% of the total for restocking + PayPal or Stripe processing fees and the Return Shipping cost for unopened packages.

Once your return is received and inspected, and if you agree to a refund, refunds will be credited to the original credit card used for payment in 24-48 hours. Please note that we will charge an 80% restocking fee once you return a product without any defect.

Once your refund is processed, PayPal will return the money to the card used. It may take at least five business days (depending on the bank and credit company) before your refund is posted in your bank account and statements. Contact Us if you have not received your refund after five business days.

Do not return your product to our New York office. For any exchange or refunds, please email us first at support@ozrobotics.com for us to provide you with the steps that need to be followed. Any product you return must be in the same condition you received and returned in the original packaging without being used. Please keep the original receipt. More on Refund and Replacement Policy.

Shipping costs

Shipping from United States (US)
Within United States (US) Free
Outside United States (US) Free