Hello, i was working in two tipes of design have difirent problems for the same design 1st one i was making child gui for all tabs and sub tabs -problems: to big the code, for the tab1 its go back, but tab 2 doesn t move if for item 3, but i have to declarate 20 child guis in the end if it of course not now 2nd one i make child guid only for the sub tabs problems: doesnt go back from tab 1 to tab, and from tab2 to tab1, wen enter in  tab1 doesnt charge the buttons, only if i click in outher tab