Creative mode problems?

Da
5

Hey guys I have not been playing Fortnite that long and I can't do anything on walls in creative mode for example if I want to build a picture against the wall, it falls to the floor. How can I get rid of it? Games on ps4

Be

On what are you playing on Nintendo switch, it is eg the X key that you have to press in front of it

Da

Ps4

Be

Then the three eck button

Da

Thank you

Be

No thing