Authors: Yoshihito Isogawa

  • The LEGO Power Functions Idea Book, Volume 1 Machines and Mechanisms — Yoshihito Isogawa

    The LEGO Power Functions Idea Book, Volume 1 Machines and Mechanisms — Yoshihito Isogawa

  • The LEGO Technic Idea Book: Simple Machines — Yoshihito Isogawa

    The LEGO Technic Idea Book: Simple Machines — Yoshihito Isogawa