Image Item No. Description  9725bc2  Set 9725 Activity Booklet 2 - Parts Tray Organizer and Inventory Card Catalog: Books: Curriculum Activity Book: Educational & Dacta: MINDSTORMS: RCX  9725bc1  Set 9725 Cover and Parts Tray Organizer Card Catalog: Books: Curriculum Activity Book: Educational & Dacta: MINDSTORMS: RCX  2009790  Team Challenge Set Activity Pack Catalog: Books: Curriculum Activity Book: Educational & Dacta: MINDSTORMS