balon

Every toy balloon has an opening through which gases are blown into it.

But balloon suppliers also offers other shapes for toy balloons.

A common helium-filled toy balloon is something familiar to many children.

His fast ball will look like a toy balloon blowing over home plate.

It was like a row of toy balloons bring burst.

As he watched, it expanded like a toy balloon.

This toy balloon being handy suggested a possible way of getting the warning to you, Jack.

Like a toy balloon with a pin in it.

They have no more thickness than the skin of a toy balloon.

Maybe one could make a reasonable set of assumptions and calculate when it would happen for a toy balloon, but I'm not sure how.