I will go back China soon with my 3-year and 5-year daughter. I am afraid and don't know how to manage such long time in airplane. What should I prepare for this long trip? 4 h! E1 g8 n' C$ h6 e2 B8 F6 |9 S& X5 t: U" c8 f3 o: n% h! m' [2 T
Thank you first!