PURPOSE: A jumping toy with a single foot is provided to keep the balance or to keep moving by jumping with a single foot in a physically unstable structure to the extent that a watcher so that a person watching a user to keep the balance or move by jumping wonders. CONSTITUTION: The jumping toy with a single foot comprises a jumping rod(10) for causing up and down movement; a head(20); a balance control module(40) and a balance control weight(50), the balance control module(40) including a controller, a sensor, a battery, a weight movement module, and a head rotation module for rotating the head, the controller for controlling the position of weights to control the balance using the weight movement module by receiving a signal from the sensor, thereby making it possible to stand by keeping the balance or to jump by operating the jumping rod.
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