We used to get these only at the pictures. The ladies with the trays around their necks would be 'lit up' in the aisles at either side of the screen so you could find them - all part of the experience in the 50's and 60's.
Heinz Farley's Rusks - you felt very lucky as a child if your mum would buy a box and let you have one! I think there's something about them that appeals to children and adults of all ages, not just infants.
The Drumstick lolly is said to have been invented by accident in the 1950s, when Trevor Matlow, the son of one of Swizzels-Matlow's founders, was experimenting with a new machine and discovered it was possible to create a lollipop with two flavours. Milk and raspberry were chosen, though there have been many variants since, including strawberry and banana and cherry and apple.