Elenco Electronics SCP-11 Snap Circuits LED Fun Science Kit

The Wake Me Robot uses a light sensor, making it sensitive to light. The kit also includes parts for inventing your own robot arm. No soldering required.; From the Manufacturer; The Wake Me Robot uses a light sensor, making it sensitive to light. The kit also includes parts for inventing your own robot arm. No soldering required. Requires 2 "AA" batteries.