Image Item No. Description  991402-1  (Original Box) for Studless Technic Beams Catalog: Original Boxes: Educational & Dacta: Service Packs: Technic  991403-1  (Original Box) for Technic Angle Beams Catalog: Original Boxes: Educational & Dacta: Service Packs: Technic  991404-1  (Original Box) for Technic Beams with Snaps Catalog: Original Boxes: Educational & Dacta: Service Packs: Technic  991405-1  (Original Box) for Technic Crossblocks (Technic Cross Blocks) Catalog: Original Boxes: Educational & Dacta: Service Packs: Technic