Leonardo da Vinci developed concepts for a giant ‘air screw’ late in the 15th century. This working model uses a bevel gear, also from his drawings, to spin the canopy and support structure, illustrating the way Leonardo thought flight might be possible.
- A fun and inspiring project from one of the greatest minds of history.
- Easy to make from pre-cut and pre-drilled sustainable timber.
- Finished model size is 38cm high by 23 cm wide.
Professional packing and fast shipping
We provide a variety of shipping options thanks to our long-running partnerships with UPS, FedEx and DHL. Our warehouse staff will package all goods to our exacting requirements. Your goods are thoroughly checked and secured properly prior to shipping. Every day, we send thousands of packages to clients across many countries. This shows how we're dedicated to being the largest retailer on the internet. Warehouses and distribution centres can be found in Europe as well as the USA.
Orders with more than 1 item are assigned processing times in accordance with the item.
Prior to shipping the items, our staff will carry out an exhaustive inspection of the products you ordered. Today, the majority of orders will be delivered within 48 hours. The delivery time varies between 3-7 days.
Returns
The stock is dynamic and we are unable to completely manage it because of the fact that several parties are involved, including our factory and warehouse. Stocks can be changed at any time. Please be aware it's possible your order could be unable to fill after you place the order.
Our policy lasts for 30 days. If you haven't received your item within the 30 days period, we are unable to offer a refund or an exchange.
The item cannot be used, and it must be in the original packaging. It must also be in the original packaging.
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