LEGO Motor Add-On for Simple Mechanisms Set 9615 Instructions

9-Volt Motor Add-On for Simple Mechanisms : Instruction 9615-1

LEGO Technic Engines for Beginners (Episode 1)

Lego Educational Division set with Instructional Books

LEGO Electric 9V Battery Box 4 x 14 x 4 Bottom (2847) Comes In

8229 Tread Trekker, Brickipedia

Lego Educational Division set with Instructional Books

Lego dacta Simple Mechanisms Set 9630 Educational

Includes Sets 9615 and 9630 together in a case with sorting tray and guide. Retired set from 1997 with 217 Pieces. Great educational set! Used LEGO

LEGO Motorized Simple Machines Set (9645) Complete & Clean Includes 9615 & 9630

Early Simple Machines Building Instruction

p2🔥 on how to make a Lego vacuum engine#legovacuumengine

Nonmotorized Simple Machines Set (1997 Version) : Set 9630-1