On 22 September 2018 we presented the L2 course to class 4B. After a selection, 20 students of class 4A and 4B will continue the training started the last school year, with a further study (L2 course) of 18 extra curricular hours. The Arduino board will be used to make a small robot according to project specifications for the final competition in Spain. During the course they will use distance sensors, reflectance sensors and DC motors, according to ESTEAM teaching.