Having trouble making a model go from one place to the other using Tween ?

So I made a code so that it goes from one place to the other, For some reason, It doesn't work when inside the model, But works inside a part, but the parts from the same model doesn't follow the part with the script

local ts = game:GetService("TweenService")

ts:Create(script.Parent,TweenInfo.new(3),{Position = Vector3.new(43.761, 122.04, 139.303)}):Play() -- 43.761, 122.04, 139.303 are the coords to where it's supposed to go to

Can anyone help me ?

Models do not have positions, you have to tween the position of a part inside the model then unanchor everything in the model and weld it together.