BRIANNA HEALY/Staff Photo Members of the Andover Robotics Club Derek Witt, left, and Julian Amirault work on fixing the scissor lift of their robot in the pit area during the First Tech Challenge Massachusetts State Tournament held at Andover High School on Saturday. Each team must design a robot that can fit into an 18x18-inch cube, but the robot can expand past those parameters after the match begins.

120310BHEROBOTICS