To provide a running toy that a child can play on sand and can run normally without being intruded at the inside of a drive unit by sand from the outside.

This running toy has a drive unit of enclosed structure, that incorporates a drive mechanism. An output shaft to transmit drive force is provided to extend from the outside of the drive unit. A seal member is mounted to a bearing part to which the output shaft is journalled. With such a constitution, no sound enters the inside of the drive unit from the outside.