I know it's only little things, but it was the attention to detail in 1970s programming that made is so fabulous.
I will put something on the Cbeebies message board when it reopens (currently closed)- I feel they are severely underestimating how much small children notice and remember and/or being sloppy. Just want to vent a bit here first!
Oliver Postgate and Peter Firmin would NEVER have allowed bananas to by hung upside down (Zingzillas today) or cheese to be made with yoghurt instead of rennet (Bob the Builder yesterday). Nor would they have had Meg making cheese in one flipping DAY!!!!