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 | Spider - Infrared Sensor. INTERMEDIATE...No soldering and ADVANCED kits. An intelligent robot that avoids interference. This robot emits an infrared beam; detects obstacles in front of the robot, signaling it to change direction and continue movement. Its six legs allow it to simulate the walking action of a spider. Watch it find its way out of a maze!* Power Source: 2- 'AA' batteries and 1- 9V battery - not included. |