The date of the three Weetabix sets was 1977: the final year for the arm-less minifigs and the first year for ridged tyres. The castle on the other hand, could have been produced anywhere through the 60s: wavey flag and plenty of grey plates, (...) (23 years ago, 18-Dec-01, to lugnet.loc.uk)
The castle on the other hand, could have been produced anywhere through the (...) the (...) I still maintain (and my dad agrees) that this was not the weetabix castle I had as a boy. I would have had it around 1969-1970 I guess. (23 years ago, 20-Dec-01, to lugnet.loc.uk)