872 Two Gear Blocks

872 Gear Blocks is a TECHNIC-themed Supplementary set released in 1978. The set includes 77 pieces.
== Description ==
The set features a collection of elements, consisting of gears, chains, motors and several plates and beams, in total, 77.
== External links ==
Category:TECHNIC
Category:Supplementary
Category:1978 sets
Category:0000 sets