I think we got them at Walgreens and that they’re called something like “Travel Eze.”
You could also listen to an audio book and if your siblings don’t want to listen to it, you might try listening to it with headphones or an iPod or other such things.
“'Now you've made me cry!' she burst out, as Taran approached. 'I hate crying; it makes my nose feel like a melted icicle. You've hurt my feelings, you stupid Assistant Pig-Keeper, and all for something that's your own fault to begin with.'” -- Lloyd Alexander,