To do list for travel to Hawaii

Printing out copies of flight e-tickets and optional tours e-vouchers

Putting our passports, certificates of travelers insurances and documents printed out in pouches

Organizing the clothes and makeup tools we will take

Selecting the medicines we will take
I have to buy motion sickness medicine for my son and me!  I shoud remember!

Sort the things we will take inside of plane or not

Making souvenirs list

Studying English conversation

Maybe there is something else?