Brand: Heebie Jeebies. MPN: HJ-0602. Ideal Introduction to Soldering & RoboticsCreate your own sound-responsive robot with this beginner level soldering kit. Features sensor LED directional lights that allow the robot to change direction when you clap or make a loud noise. Measures 4.7” diameter.Includes USB powered soldering iron- perfect for novices. Soldering iron heats up in approximately 15 seconds and cools down in approximately 30 seconds. Also features auto turn off.Requires 2 AA batteries (not included). For ages 12+.