 | Kingston 4GB SD Memory Card Single Unit | |||
| Kingston Technology's 4GB Secure Digital High Capacity Card offers larger-volume data storage and is built of nonvolatile memory components and has no moving parts that could wear out or break. $4.95 |  | |||
 | Spirit Listening Center with Sound Alert Single Unit | |||
| Help students learn how loud is too loud. This innovative learning center pairs Califone's best-selling Spirit Multimedia Player/Recorder with a Sound Alert jackbox and six noise reducing headphones. When the volume played through the jackbox exceeds 85dB, its red light flashes, warning students to turn down the potentially dangerous volume level. $299.00 | ||||