31 Universal Joint / Connectors

31 Universal Joint / Connectors was a Technic Service Packs set released in 1977. It contained five OldGray Technic bushes (Part 3713), five OldGray Technic connector for axle and pin (Part 3651), ten OldGray smooth Technic pins without friction ridges (Part 3673) and one OldGray Technic universal joint (Part 9244).
== External links ==
* http://www.toysperiod.com/lego-set-reference/service-packs/technic/lego-31-2-universal-joint-connectors/
Category:0000 sets