Clone (Function)

Clone( )
Returns	Instance object
Description:	Returns a copy of this Object and all its children. The copy's Parent is nil

Example

while true do
 model = game.Workspace.Model:clone()
 model.Parent = game.Workspace
 wait(300)
end

or

while true do
 game.Workspace.Model:Clone().Parent = game.Workspace
 wait(300)
end

which does the same thing...........