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Build a working hovercraft that glides across smooth floors or flat water on a cushion of air! Learn how even though air is invisible, it still has mass and can support very heavy objects under the right circumstances. Experiment with propellers and impellers to learn about air pressure and air flow. The models in this kit use a unique blower motor and a safe, soft-bladed fan to drive a series of models. The blower motor uses an impeller to increase the air pressure under the hovercraft. The fan creates a stream of air to push the vehicle forward, Using these components, you can build and investigate the hovercraft and other machines that rely on air pressure to function. Construct a batting machine that tosses a ball upward on a stream of air. Assemble a basketball launcher and practice shooting hoops with air power.  Specifications
 Click Here For More From Thames & Kosmos Attention International BuyersThe USPS First Class International Standard shipping service does not provide tracking information. You will only be provided with a UPS Mail Innovations non-tracking package identification number. Typically, First Class International orders take 2 to 4 weeks to arrive, but delivery times vary greatly depending on customs holding time. The seller has no control over customs holding time. All First Class International orders may take up to 45 days to receive. Action will only be taken after 45 days from shipment for packages still not received. If you would like tracking information, we strongly advise that you select Priority or Express Mail International as they both provide tracking information. 
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Shipping
- All orders take 1-2 business days to process. Our office hours are Monday-Friday (8-4 PST)
- Tracking takes 24-48 hours to update on average.
- Delivery dates are estimates by Ebay. and are not guaranteed delivery dates by the shipping carrier.
- Packages may be delayed due to peak season, weather conditions and other reasons unknown to us that only the carrier can handle.
- First Class International Mail does NOT include tracking services and can take up to 60 days to receive.
- Please contact us only if your packages do not arrive within 45 days.
- If the item is needed by a specific date please choose a Priority service or contact us to find the best option for you.
- All international customers are responsible for customs duties and fees.
:: Holiday Shipment deadlines ::
To help you with your Holiday shopping we've included the following shipping date deadlines. The dates listed are the latest dates we can ship your orders in order to arrive by December 24th. If you do not see the shipping service you would like used in your order please contact us for rates and services. All orders purchased between December 1st and December 24th will be entitled to a 30 day return policy instead of our regular 14 day policy.
USPS Shipping Deadlines:
- USPS Standard & USPS First class: December 15th - December 16th
- USPS Priority Mail: December 17th - December 18th
- USPS Priority Mail Express: December 19th - December 22 *Guaranteed
- APO/FPO address: December 3rd - December 8th
UPS Shipping Deadlines
- UPS Ground: December 17th
- UPS 3 Day Select: December 18th *Guaranteed
- UPS 2nd Day Air: December 21st *Guaranteed
- UPS Next Day Air: December 22nd-23rd *Guaranteed
International Shipping Deadlines:
- DHL Global Mail/USPS First Class International Mail: December 1st - December 8th
- USPS Priority Mail: December 9th
- USPS Priority Mail Express: December 14th
Shipping
- All orders take 1-2 business days to process. Our office hours are Monday-Friday (8-4 PST)
- Tracking takes 24-48 hours to update on average.
- Delivery dates are estimates by Ebay. and are not guaranteed delivery dates by the shipping carrier.
- Packages may be delayed due to peak season, weather conditions and other reasons unknown to us that only the carrier can handle.
- First Class International Mail does NOT include tracking services and can take up to 60 days to receive.
- Please contact us only if your packages do not arrive within 45 days.
- If the item is needed by a specific date please choose a Priority service or contact us to find the best option for you.
- All international customers are responsible for customs duties and fees.
:: Holiday Shipment deadlines ::
To help you with your Holiday shopping we've included the following shipping
date deadlines. The dates listed are the latest dates we can ship your orders
in order to arrive by December 24th. If you do not see the shipping service you
would like used in your order please contact us for rates and services. All orders purchased between December 1st
and December 24th will be entitled to a 30 day return policy instead of our 14
day policy.
USPS Shipping Deadlines:
- USPS Standard & USPS First class: December 15th - December 16th
- USPS Priority Mail: December 17th - December 18th
- USPS Priority Mail Express: December 19th - December 22 *Guaranteed
- APO/FPO address: December 3rd - December 8th
UPS Shipping Deadlines
- UPS Ground: December 17th
- UPS 3 Day Select: December 18th *Guaranteed
- UPS 2nd Day Air: December 21st *Guaranteed
- UPS Next Day Air: December 22nd-23rd *Guaranteed
International Shipping Deadlines:
- DHL Global Mail/USPS First Class International Mail: December 1st - December
8th
- USPS Priority Mail: December 9th
- USPS Priority Mail Express: December 14th