The boy's legs waved in the air as if they had no bones at all.

Then, without warning, those legs waved high in the air.

But at last its legs waved in the air, reaching for something to pull it over.

For a few seconds, his eight legs waved feebly in the air.

He went head-first over a smooth rock and came to rest with his legs waving in the air.

Her legs waved in the air for a moment before she could clamber onto the thwart again.

When she looked back two minutes later she saw Jack being helped into the inflatable, legs waving in the air.

The Sartan's legs and arms waved feebly; there was no way he could get himself down.

The two wriggled furiously at the attack, their little legs waving in all directions.

The hard old head came out and tried to look at the pressing finger, and the legs waved wildly.