school Project

school Project: i am trying to build my school on unreal engine and i have to make a simulator or like a mini game in my sections and i have three sections. i want to make one attaching meshes like Lego pieces, second i want a usable whiteboard using the SM_Brush, and third make a switchable light, all of this is in vr, if anyone knows how to do all/one of them, please respond to this.