Image Item No. Description  1011-1  (Original Box) for Number/Symbol Blocks (Number bricks and symbols for wall board) Catalog: Original Boxes: Educational & Dacta: DUPLO: Learning  1017-1  (Original Box) for Letter Bricks for Wall Board Catalog: Original Boxes: Educational & Dacta: DUPLO: Learning  9980-1  (Original Box) for World People Catalog: Original Boxes: Educational & Dacta: DUPLO: Supplemental  979760-1  (Original Box) for RoboChallenge: Exploration Mars Teacher Pack Catalog: Original Boxes: Educational & Dacta: MINDSTORMS: RCX