This is the first generation LEGO MINDSTORMS! - Model Name: LEGO MINDSTORMS ROBOTICS DISCOVERY SET - Included: Some extras are included! - Colors: Blue, gray, black, green, yellow - Condition: 中古 (美品です！) - Used (Excellent condition!) ※ Small parts are put in small bags! Everything in the photos is included! I have checked all the parts against the instruction manual! Power-on tested. This is the first generation LEGO 9735 Robotics set from MINDSTORMS, released 26 years ago in 1999. No computer is needed, and you can easily connect switches and motors to make it move, so you can enjoy it easily. This set was made for educational purposes, and you can naturally learn about structures and how things move using gears, motors, and switches. The box has some damage, so please understand that. Genuine LEGO Learning Educational Toy Study Education Technic Spring Gear Robotics Discovery Set LEGO 9735 MINDSTORMS First Generation Robotics Set Free Shipping Learning Technic Educational Toy LEGO Blocks MINDSTORMS ※ I am also posting on another site, so the first person to purchase will be given priority. Thank you for your understanding. Also, please understand that this is a used item. Thank you for viewing.