The first version of the course was called "Control in technological and biological systems" and was directed to connect learning of biology and technology (Cuperman and Verner 2013). It was delivered to middle and high school students and to prospective teachers of science and technology. In that course, the students learned basics of robotics and performed modeling assignments with the PicoCricket kit. The student feedback indicated highly positive evaluation of robotic modeling activities and their potential to foster development of analogical reasoning (Cuperman and Verner 2013). Presented here is the advanced version of the course called "Robotic models of biological systems." It addressed students who already had elementary knowledge in robotics and offered practice with more modern and sophisticated educational robotics kits. At the first half of the course, the students constructed simple robots that implemented basic locomotion, using the LEGO NXT or EV3 kits (LEGO Education 2018). The second half was dedicated to a project which focused on modeling complex locomotion of snakes with the BIOLOID robot construction kit (ROBOTIS 2018). The advanced course consisted of 12 weekly meetings of 2 h each and dealt with the following topics:– Introduction to bio-inspired robotics (2 h) – Sensors, actuators, and control (2 h) – Simple mechanisms (1 h) – Basics of building and programming a robot, using the LEGO kits (1 h) – Hands on experience with LEGO kits (6 h) – Robot construction and programming with the BIOLOID kit (2 h) – Project on bio-inspired modeling (10 h)