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We proudly offer free worldwide shipping via! Please note that we require 3 to 5 working days on average to fulfill your order before dispatching it. Rest assured, we are doing everything in our power to get your order to you as soon as possible! Once your order is dispatched, depending on your country or region, the estimated delivery time is between 10 and 15 business days. Please consider any holidays, natural disasters, or pandemics that may impact delivery times.
For pre-ordered or back-ordered items:
If your order contains a pre-ordered or back-ordered item, we will ship any items we have available immediately and ship the items that are pre-ordered or back-ordered immediately when we have them available. So if you ordered more than one item on a single order and received only a part of it, don't worry; you will receive your other items shortly after.
Track your order:
You will receive a confirmation email and/or text message if you provide a mobile phone number, containing a tracking ID and a link to follow the journey of your package. To track your package, you can visit our tracking page.
Please allow 3 working days for the tracking information to show. (It will take time for the package to be delivered from our warehouse knife distribution center.)
Wrong address disclaimer:
It is the responsibility of the buyer to make sure that the shipping address entered is correct. We do our best to speed up processing and shipping time, so there is always a small window to correct an incorrect shipping address. Please contact us immediately at support@shopholidaygift.com if you believe you have provided an incorrect shipping address.
Returns:
By placing an order on shopholidaygift.com, you are responsible for the cost of return shipping back to shopholidaygift.com. Please refer to our refund policy for further information on how to make a return.
Lost/Stolen Packages:
The Best Trends Online Store is not responsible for lost or stolen packages. If your tracking information states that your package was delivered to your address and you have not received it, please report it to your respective shipping carrier using the information provided to you on our tracking page. If you have any further questions on how to do this, please reach out to our customer support team at support@shopholidaygift.com.
Cancellation
You may cancel your order within 48 hours of placing it. Please allow 3-5 business days for the refund to post to your original form of payment.
Returns
Our policy lasts 30 days. If 30 days have passed since your purchase, unfortunately, we can't offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition as when you received it. It must also be in the original packaging.
Additional non-returnable items:
Some health and personal care items
Any item that is returned more than 30 days after delivery
Sale items (if applicable). Only regular-priced items may be refunded; unfortunately, sale items cannot be refunded.
To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer. There are certain situations where only partial refunds are granted (if applicable). Any item not in its original condition is damaged or missing parts for reasons not due to our error.
Refunds (if applicable)
Once your return is received and inspected, we will email you to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within a certain number of days.
Late or missing refunds (if applicable)
If you haven't received a refund yet, first check your bank account again.
Then contact your credit card company; it may take some time before your refund is officially posted.
Next, contact your bank. There is often some processing time before a refund is posted.
If you've done all of this and you still have not received your refund yet, please contact us at support@shopholidaygift.com.
Exchanges (if applicable)
We only replace items if they are defective or damaged. If you receive a damaged or defective product, you have 72 hours from the arrival of the product to contact us about the defective unit. You can reach out to us here at support@shopholidaygift.com.
Gifts
If the item was marked as a gift when purchased and shipped directly to you, you'll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.
If the item wasn't marked as a gift when purchased or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver, and he will find out about your return.
Shipping
To return your product, you should email us at support@shopholidaygift.com.
You will be responsible for paying for your shipping costs when returning your item. Shipping costs are non-refundable.
Depending on where you live, the time it may take for your exchanged product to reach you may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don't guarantee that we will receive your returned item.
This precision 4 Cylinder Engine model recreates a historic classic design with high-quality aluminum alloy construction and 357 meticulously crafted parts that perfectly showcase the beauty of mechanical engineering. Ideal for mechanical enthusiasts, collectors, and STEM education for ages 14 and above, this model offers an authentic way to understand engine principles through hands-on assembly.
The design of this 4 Cylinder Engine model is inspired by a pivotal moment in automotive history. In 1913, Jules Goux drove a Peugeot racing car to victory at the Indianapolis 500 Grand Prix. The engine powering this vehicle was an innovative in-line four-cylinder design by Ernest Henry, featuring the groundbreaking implementation of dual overhead camshafts and four valves per cylinder. This revolutionary approach to engine design established a new standard for racing engines that continues to influence modern automotive engineering to this day.
The birth of the in-line 4 Cylinder Engine dates back to 1894, when Maybach and Paul Daimler completed the development of an engine with a cast cylinder block, incorporating Maybach's newly patented carburetor technology. By the end of the 19th century, virtually every high-quality automobile worldwide utilized this 4 Cylinder Engine design from Maybach, laying the foundation for modern automotive engineering. This model faithfully recreates this important piece of industrial history, allowing you to assemble a working replica of one of humanity's most influential mechanical innovations.
This 4 Cylinder Engine model is crafted from premium aluminum alloy and stainless steel materials, processed through CNC precision casting and enhanced with aluminum alloy anodization. Each of the 357 parts undergoes professional polishing with specialized abrasive tools, resulting in a museum-quality finish that perfectly captures the ingenuity and craftsmanship of the great industrial era.
The 4 Cylinder Engine features classic mechanical mechanisms with a transparent design that makes the entire transmission process visible at a glance. The rigorous logic and dynamic power of the engine's operation beautifully demonstrate mechanical principles in action. Powered by a built-in lithium battery system, a 2-hour charge provides 1.5 hours of continuous operation, allowing ample time to appreciate the engine's mesmerizing movements.
This 4 Cylinder Engine model is designed based on historically significant inventions and products, proportionally scaled and highly detailed to ensure authenticity. It clearly demonstrates the core principles of engine operation and intuitively showcases the practical applications of mechanical engineering, allowing builders to experience the brilliance of this revolutionary design firsthand.
This 4 Cylinder Engine model is not just a beautiful collectible but also a powerful educational tool with significant STEM learning value. Through the DIY assembly process, you can:
The 4 Cylinder Engine model serves multiple purposes as both an educational aid for science and engineering learning and a high-end collectible model. It makes an ideal gift for friends and family members interested in mechanics, engineering, or industrial history, suitable for both display and interactive learning.
Material | Aluminum Alloy + Stainless Steel |
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Craftsmanship | Anodized |
Product Dimensions | 158.5*117*182mm |
Number of Parts | 357pcs |
Charging Voltage | DC 5V |
Lithium Battery Capacity | 3.7V, 450mAh |
Charging Time | 2 hours |
Working Time | 1.5 hours |
Assembly Time | About 4 hours |
Assembly Difficulty | IV grade |
Packaging Dimensions | 342*242*150mm (Metal Box) |
Weight | 3.1kg (G.W.) |
Suitable Age | 14 years and above |
This product has a difficulty rating of grade IV, suitable for enthusiasts with some hands-on experience. The complete assembly process takes approximately 4 hours, and a detailed user guide is included to walk you through each step of building your 4 Cylinder Engine.
The 4 Cylinder Engine model is designed for individuals aged 14 and above. It's particularly well-suited for mechanical enthusiasts, engineering students, and model collectors who appreciate precision craftsmanship and historical significance.
No, all necessary tools for assembly are included in the package. You can begin your 4 Cylinder Engine building experience right away with everything provided in the kit.
Yes, this 4 Cylinder Engine can be upgraded, combined with other components, or modified using designated kits or DIY modification parts, offering additional creative possibilities for enthusiasts who want to expand their experience.
This 4 Cylinder Engine model offers more than just an exquisite display piece—it provides a journey through industrial history. With 357 precision parts, premium aluminum alloy construction, and a functioning mechanical structure, you'll gain a deep appreciation for engineering excellence through the assembly process. Whether for collection, education, or display, this model delivers exceptional value and satisfaction. Begin your mechanical exploration journey with this classic 4 Cylinder Engine model today!
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