script.Parent.MouseButton1Click:Connect(function()
 if script.Parent.Parent.Open.Value == false then
  script.Parent.Parent.Open.Value = true
  script.Parent.Parent.Frame:TweenPosition(UDim2.new(0.5, -200, 0.5, -150),"Out","Quint",1,true)
 else
  script.Parent.Parent.Open.Value = false
  script.Parent.Parent.Frame:TweenPosition(UDim2.new(0.5, -200, -0.5, -150),"Out","Quint",1,true)
 end
end)

Close Button : 

script.Parent.MouseButton1Click:Connect(function()
 script.Parent.Parent.Parent.Open.Value = false
 script.Parent.Parent:TweenPosition(UDim2.new(0.5, -200, -0.5, -150),"Out","Quint",1,true)
end)