Transcription: This is a timeline. To change the current frame, click another frame number. Then change the position or size of an object and press S to set a keyframe. Move to another frame. Then move, rotate or scale the object and set another key. Set as many keys as you want. Change the frame, then change the object attributes and then press S. Press play on the timeline controls to see a looping animation. Press stop to end it. The next movie shows you how to change the look of an object and preview render it.