Either we are go to our neighbour or to another planet, we need some transportation system :)
Keep asking further questions about travelling!
Did you ever fly with a plane?
Which cities did you go to?
Do you always wear a seatbelt?
Where do you want to go?
How do you go to Paris / Hawaii / the park?
bicycle - neighbour - wear a helmet
taxi - shopping - wear a seatbelt
bus - school - hold the grip
subway - work - offer my seat
train - another city - buy a ticket
ship - another island - wear a swimwest
airplane - another country - have a passport
rocket - another planet - wear a spacesuit