Image Item No. Description  9603-1 (Inv)  TECHNIC I Activity Centre Cards (Simple Machines Activity Center - ISBN 8777370228 for US Version) 120 Books, 2 Gear, 1990 Catalog: Sets: Educational & Dacta: Technic: Supplemental  9603-2 (Inv)  TECHNIC I Activity Centre Cards (Simple Machines Activity Center) - Australian Version 119 Books, 3 Gear, 1990 Catalog: Sets: Educational & Dacta: Technic: Supplemental  820096-1 (Inv)  Invent America! Exploration Packet 34 Parts, 2 Books, 1 Gear, 1990 Catalog: Sets: Educational & Dacta: Technic