Expand programming skills using these intermediate challenge cards! While these cards were designed for Lego Spike Prime kits, most of them can be adapted and used with other robots. The Intermediate cards may use the beginner movements of forward, backward, spin and turn as well as these new skills: the timer, loops(nesting), events, distance and pressure sensor, plus an extra motor with attachments. Need to start at a simpler level? Check out our FREE Beginner Lego Robotics Challenge Cards he