Lesson 5-Design Techniques: Gear Ratio Lesson 5-Design Techniques: Gear Ratio Please Enroll to view this lesson. Login Page Back to the course Battle Bots Building Lessons Lesson 0-Instructions for arena weapons Lesson 1-Battle Bots Introduction 1 hour Lesson 2-Different Types of Battle Bots 45 minutes Lesson 3-Battle Bots Rules 30 minutes Lesson 4-Design Your BattleBots 1 hour Lesson 5-Design Techniques: Gear Ratio 1 hour