Stand Alone CD (Windows 3.1, 98) Configurations School Version: 2 CD's and Lesson Plans $99.95 Labpack: 6 CD's and Lesson Plans $269.95 Demi Site License: 15 CD's and Lesson Plans $399.95 Site License: 30 CD's and Lesson Plans $699.95 Additional Seats: To anything above a Labpack. Please call for details. $20.00