If you pass Aceh Street, Sumatera Street, or Sumbawa Street, you will see a unique park from the outside. It is livened up by the mini-train, mini-cars, bicycles, the traffic signs, carrousel, and the children playing. Sometimes, you notice also the policemen or policewomen teach children about the traffic signs there. The park called Insulindepark a.k.a. Lalu Lintas Park.