Check the listing for details. Thames & Kosmos 623913 WIND POWER Science Kit - renewable energy experiment kit. Condition: Used. Listed at 14.99 USD. Seeling as USED, but don't think kit was ever completely built by my son. Thames & Kosmos#623913 Wind Power Science Kit 121 Pcs20 Experiments32 page manual Normal 0 false false false EN-US X-NONE X-NONE All purchases over $100 (not including shipping) will be shipped USPS Signature Confirmation & will need to be signed for.!!! Please check out our other auctions Please be advised that any items listed as pre-owned and /or used items may have minor cosmetic blemishes such as small stains or scuffs. We sell all our items described to the best of our ability. Check our feedback !! *** We WILL combine items to reduce shipping fees. Just let us know which items so that we can send you an amended invoice with shipping discount. *** From time to time, we may upgrade shipping to Priority Mail even though you paid for Parcel Post. Sometimes Priority Mail is just a few penny’s more!!! We will NEVER downgrade shipping without your consent. Payment is due within 7 days from auction end unless prior arrangements have been made. On the 8th day, Ebay will automatically open a NON-PAYING bidder case to reclaim our auction fees. Payment by E-Check will delay shipment until payment clears Paypal. Please contact us for other payment options The faster you pay, the faster you get your item…it’s that simple. All items are being sold “AS IS”. We do our best to accurately describe all items. Check our feedback !!! Due to many buyers not leaving feedback, We will only leave feedback for you after you receive your item and leave feedback for us. Please contact us if there is a problem before leaving negative or neutral feedback. We WILL work with you !!