Taken from Epic Games Unreal Engine's Intro to Blueprints Tutorial Series, we work on lessons 1-3:

• Lesson 1 (8 minutes) - Difference between Level & Class blueprints https://youtu.be/EFXMW_UEDco
• Lesson 2 (22 minutes) - Learn Camera & Object Orientation, Creating & Toggle Light when the Begin Game Trigger is executed https://youtu.be/_zoyaVdqHQ8
• Lesson 3 (18 minutes) - Using Box Volume Trigger to Toggle Light, with optional delay https://youtu.be/gHdwOiR0D0A