摘要 |
A play set is disclosed. In some embodiments, the play set may include a play area having a plurality of indicia, the plurality of indicia including a first set of indicia and a second set of indicia; and a play toy including a sensor subsystem configured to measure intensity of light reflected from the first and second sets of indicia, and to generate a signal that corresponds to position of the play toy on the play area based on the measured intensity of the light reflected from the first and second sets of indicia, and a motion subsystem configured to receive the signal and move the play toy based on the received signal.
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