Easy Dolphin Bento Box Lunch Kids Will Love Make lunchtime extra fun with this adorable dolphin bento box! A simple peanut butter and jelly sandwich becomes an ocean-themed adventure with the help of a dolphin-shaped sandwich cutter. Add fresh fruit, applesauce, cheese, and trail mix, and you've got a balanced lunch that's both easy to pack and exciting for kids to open. One of my favorite things about themed lunches is that they don't require fancy ingredients. A simple cookie cutter can ...