At recess, the children lined up and giggled as the leap-frogs vaulted over one another's backs.

During the final months of the project, the small startup leap-frogged three competitors to become the market leader.

The children were leap-frogging across the playground while their parents chatted on the benches.

At recess, the children formed a circle and played leap-frog across the playground.

During recess, the children leap-frog across the playground, laughing as they go.

At recess, the children formed a line and played leap frogs across the playground.

Historians debated how ancient calendars accounted for leap months when aligning lunar cycles with the solar year.

The village adjusted its festival schedule during the leap weeks to accommodate the farmers' harvest.

The scientist argued that a qualitative leap in consciousness could occur when neural complexity crosses a threshold.

The old radio crackled by starts and leaps during the storm.