Such a hot topic, you have all this "stuff" storytime, outreach, summer reading materials, how do you get it from point A to point B? This is a personal choice, but here are some alternatives to schlepping boxes. Your colleagues would like to know what works best for you?
See also: Have Rolling Bag Will Travel
Some other suggestions, (Storytime Underground, 8/2017) includes:
*picnic baskets
*craft totes
*hat box
*treasure chest
*backpacks
*rolling crates
*suitcase (see IKEA)