1123 3 Ball and Socket Couplings, 1 Articulated Joint

1123 3 Ball and Socket Couplings, 1 Articulated Joint is a Service Packs set released in 1978. The set includes eight parts, consisting of red 2 x 4 plates with hinges and yellow 1 x 4 plates with sockets.
== External links ==
Category:Service Packs
Category:1978 sets
Category:1000 sets