papercraft rescue vehicles & colourful buses

I can understand the papercraft fire trucks and ambulances on the Ono Fire Department's website, but the colourful buses are a bit of a mystery. Although, I bet they just made them for fun, and I can totally understand that. ;o)

Download + build your own papercraft rescue vehicles & colourful buses (by Ono Fire Department):

• rescue vehicles: https://www.city.ono.hyogo.jp/~syobo/03kids/paper/paper.html
• buses: https://www.city.ono.hyogo.jp/~syobo/03kids/paper-ranranbus/paper-ranranbus.html