S.T.E.M Simple Machines: The S.T.E.M Simple Machines set is a combination of the basic 5 sets of the “Discovering STEM” series and covers all Simple Machines mechanisms. These mechanisms offer a mechanical advantage and are crucial elements of many machines and devices. They are designed to multiply or reduce force, increase or decrease speed and convert one type of motion to another. Build 60 working models that cover the subjects of levers, the wedge, the wheel and axle, the screw, the inclined plane, the pulley, as well as the more advanced gears and linkages! You can find it easy to follow.
Building instructions for all models either online or in the booklets included. The booklets provide detailed explanations of the different scientific principles applied and this stem kit has incorporated innovative experimental activities for hands-on learning & stem kids gifts.
Fast Shipping and Professional Packaging
We have a range of shipping options due to our long-term partnership with UPS FedEx DHL. Our warehouse employees will pack each item according to our strict requirements. Your goods are thoroughly checked and secured properly prior to shipping. We deliver to thousands of customers each day from multiple countries. This shows how we're dedicated to being the largest retailer on the internet. There are distribution centers as well as warehouses located in Europe and in the USA.
It is important to note that orders with more than one item will be processed according to the item.
Before shipping, we will examine thoroughly the items you've ordered. Most orders are delivered within 48 hours. Expected delivery time is between 3 and 7 days.
Returns
The inventory is constantly changing and we do not completely manage it because of the fact that multiple parties are involved, including our warehouse and factory. So the actual stock may alter at any time. Be aware that it's possible for your order to run out of stock even after you have made the order.
Our policy runs for a period of 30 days. If 30 days have passed since you purchased your item, we cannot give you a refund or exchange.
The item must not be used and in the original packaging. The item must be in its original packaging.
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