Check the listing for details. AmScope PS25 Prepared Microscope Slide Set for Basic Biological Science. Condition: New. Listed at 14.99 USD. PLEASE ASK ALL QUESTIONS BEFORE ORDERING WE HAVE A 2 DAY HANDLING TIME THAT DOES NOT INCLUDE HOLIDAYS OR WEEKENDSWE USE USPS FOR ALL OUR SHIPPINGMOST ITEMS WILL BE SHIPPED IN A PADDED POLY ENVELOPE. MAGAZINES WILL BE SHIPPED IN AN UNPADDED POLY ENVELOPE. IF YOU WISH TO HAVE A DIFFERENT SHIPPING PROCESS PLEASE DO SO WHEN CHECKING OUT VIA EMAIL.WE WILL TRY OUR BEST TO MAKE YOU HAPPY.YOU WILL BE RESPONSIBLE FOR THE COST OF ALTERNATE SHIPPING.OUR STANDARD SHIPPING IS 2-9 DAYS AFTER ORDERING AND HANDLING TIME.ON TEXTBOOKS THE ISBN USUALLY FOLLOWS THE TITLE.WE NO LONGER ACCEPT RETURNS UNLESS IT FALLS UNDER EBAY POLICY, OTHER RETURNS WE BILL SUBJECT TO A 20% RESTOCKING FEEWE APPRECIATE OUR CUSTOMERS AND WILL STRIVE TO GIVE YOU THE BEST SERVICE POSSIBLE!