Viewing Products
To see a larger photo of any item and find out more information about it, click on either the small thumbnail photo or click on "Details."

Purchasing Products
Click the "add to cart" button. The item will be added to your cart. Discounts will be automatically taken on the shopping cart checkout form. Before proceeding on to "checkout" you can change the contents of your cart by adding items, changing quantities or deleting an item. To delete an item from the shopping cart, click the "select" box on the right and click on "Delete."

Payment Methods
Payment options are located at the bottom of the customer information form in the checkout process. Orders will be shipped upon receipt of payment. Online payment is by credit card only.
Credit Card - enter your credit card number on the secure checkout form. You will see a small locked padlock and a red seal in the lower right hand corner indicating a secure page for you to enter your personal details.

Credit card payments may be made through our Secure Payment processor. 
We accept: Visa and Master Card.

Kansas residents will be charged 7.5% state tax on non-educational products.

Orders are payable in US funds only, and are sent upon receipt of payment. Personal checks, money orders, and International Postal Money Orders made out to SDP are accepted.

Please mail to: SDP
                     393 N. McLean Blvd.
                     Wichita, KS 67203-5968

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Orders will be processed upon receipt of payment.

Shipping:  currently under construction.  Certification boards have minimum shipping prices applied. Please call after placing your order for exact shipping charges.  Have your order number ready please.

Prices, product availability, and terms subject to change without notice.

Thank you