Shopping with is fast and easy. You can place an order online, or by telephone, mail or fax. Payment options include credit card, PayPal, Amazon payments, purchase order, wire transfer, money order, personal check and gift certificate. We do not accept C.O.D. orders.

Credit Cards accepts credit cards from Visa, MasterCard, American Express and Discover. We do not charge your credit card until we have shipped your order. Please be aware that once credit card authorization is issued, regardless of whether we have charged your card or not, the funds will be reserved for up to a certain number of days depending on your lending institution. If using a debit card please verify with your bank the daily withdrawal limits on your card, as we are not responsible for any surcharges your bank may impose for transactions exceeding your limit. reserves the right to request additional identification for verification purposes and will contact you either by e-mail or telephone. Your order will be processed as soon as we receive the requested information.


Checkout with PayPal is an alternate method for completing your order at This service allows you to make purchases across the internet with a single user account. Track your online purchases at PayPal's Website or at All purchase activities that you complete through PayPal will also appear in your order history at

Amazon Payments

Use the information already stored in your Amazon account to login and pay conveniently on When you pay with Amazon, only your shipping information is shared with us, does not have access to your payment information. Amazon payments provide you the protection of Amazon's A-to-Z Guarantee letting you buy with confidence and peace of mind.

Purchase Orders

We accept purchase orders from schools and government offices in the United States. Purchase Orders may either be faxed to (310) 356-5160 or mailed to:
1325 E El Segundo Blvd
El Segundo, CA 90245

Terms are Net 30 and must include shipping charges on the purchase order. To keep our uncollected receivables (and therefore our prices) at a minimum, does not grant "net terms" to businesses. For tax-exempt orders for California, a copy of tax-exempt certificate must be attached to the purchase order. We will contact you if additional information is required.

Wire Transfers

For information about initiating a wire transfer, please call our Accounting Department at (888) 205-7777 (toll-free within the U.S.), +1 (310) 356-5100 for International, or send a fax to +1 (310) 356-5160.

Money Orders and Personal Checks

We accept money orders in U.S. funds from U.S. banks. We also accept personal checks in U.S. funds drawn against U.S. banks. Money orders and checks need to be cleared before order can be processed. Normal waiting period is about 5 business days from receipt of money order or check. To place an order with this method of payment, you may call our Sales Department at (888) 205-7777 (toll-free within the U.S.) to place your order and then mail your check payment to:
1325 E El Segundo Blvd
El Segundo, CA 90245

Gift Certificates

Once in a while we may run promotions, including, but not limited to, issuing gift certificates and discount coupons. They can be redeemed upon finalizing an order at Web site. Please take note that some gift certificates and discount coupons are for one-time use only. For purchases less than the amount on a gift certificate, remaining amount will be voided, while purchases over the amount of the gift certificate will require the use of additional payment method. Some restrictions may apply. Please refer to individual promotion restrictions when available.