Image Item No. Description  2009793  RoboChallenge: Race Against Time Activity Pack (First LEGO League - FLL) Catalog: Books: Curriculum Activity Book: Educational & Dacta: MINDSTORMS: RCX: FIRST LEGO League  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