Getting a free toy or piece ... The toy first appeared in Cornflakes in 1957 and was available in six colours. You’d fill the submarine up with baking powder and place it in the water where ...

You probably didn't understand the difference between baking soda and baking powder ... more free snacks. When Frosted Flakes are on the shelf, no kid is going to sneak a box of Corn Flakes ...

Cereal manufacturers used to put all sorts of strange and wonderful (if you were a child) things in their boxes to entice people to buy their products — baking-powder submarines, fanciful space ...

Getting a free item in a cereal ... The toy first appeared in Cornflakes in 1957 and was available in six colours. You’d fill the submarine up with baking powder and place it in the water ...