American Science an Surplus is a seller of surplus and educational goods, many of which are odd, amusing, and/or useful. AS&S is unique among surplus retailers in that the humor contained in their catalog is a significant enticement to buy items in the catalog to continue receiving it. Items range from oscilloscopes, record-and-book read-along sets of Star Trek, a park bench shaped like a dinosaur femur, to radio-controlled rats. American Science and Surplus is known for its humorous advertising techniques and witty quips for the product descriptions in their catalog and at their stores, e.g.: