Hi @rOghz and welcome to the GreenSock forums!   For the horizontal endless marquee you can use the Horizontal Endless Loop helper function crafted by @GreenSock: https://greensock.com/docs/v3/HelperFunctions#loop   In order to speed up/down and switch directions you could use the Observer Plugin in order to check the scrolling direction and tween the timescale property of the timeline returned by the helper function. Here is a live example: See the