In the early 1970s, people began experimenting with the hardness of the plastic balls.
Early in the film, Veronika holds up a small, clear plastic ball with brightly colored stars inside.
The water that had been inside the plastic ball gathered around the frogs body as if still held in place by the shell.
One of the boys threw a white plastic ball at his head and it bounced off.
Someone kicked an oversized plastic eight ball and sent it rolling across the floor.
The new hollow plastic balls were easier to hit and control.
There is a play area for these children, which includes a tank full of red-and-white plastic balls.
The 360 is a clear plastic ball holding six small balls of different colours.
They even knew the function of the little blowpipes, the plastic ball and the goals.
Swapping over hands on the 88, I got hold of the orange plastic ball and stuffed it into his mouth.