Acorn AEH51 Econet Starter Pack box
Acorn AEH51 Econet Starter Pack contents
I think this Starter Pack dates from the early 1990s. It is interesting because although it is labeled as an Acorn Part (see top picture), it is actually an SJ Research product with all SJ Research components. It contains all you need to create a small 4 station Econet.
From top left going clockwise, the contents are: