Yoshihito Isogawa is the author of the LEGO MINDSTORMS EV3 Idea Book and the LEGO Power Functions Idea Book series, as well as other LEGO titles. In addition to creating LEGO moving models and conducting educational workshops and events using LEGO bricks, he is a judge for World Robot Olympiad (WRO) and for FIRST LEGO League (FLL) in Japan. How did you get started building with LEGO bricks? When I was about four or five years old, my parents bought me a LEGO set. Before then, I loved playing with blocks that were not LEGO bricks. A couple of years later, having saved my allowance, I bought an early version of the LEGO Technic series. I have enjoyed building with LEGO bricks ever since. Which project (or projects) are you the most proud of? Why? It is difficult to choose.  More than that, I feel pride and joy when I look at the creations of children inspired by my projects and books. Where do you find inspiration for new projects? Suddenly an idea comes into my mind. It happens often when I …