With 200 components and the aid of sensors (phototransistor, mini-switches) and actuators (XS motor, indicator lights), students can construct 12 easy-to-understand models such as a hand dryer, stamping machine, lighthouse with blinking light, merry-go-round or automatic sliding door. The ROBO LT Controller, with 3 inputs for sensors and 2 outputs for motors or indicator lights has a USB interface for simultaneous power supply. The ROBO Pro Light software makes quick programing easy as pie. The detailed teaching and activity booklet supports the learning process for students, making programming easy to understand. Set includes one ROBO LT Controller (USB interface/USB power supply), Software ROBO PRO Light, XS motor, 2 lights, lens tip lamp, phototransistor, 2 switch's and a multi-language teaching and activity booklet. PC Required for operation. Ages 8 and up. Sold by Gryphon House, Inc. Ships from Kaplan Early Learning Company.