Bento Gallery A kid's bento This is a boy's bento. It has a picture of Thomas the Tank Engine on the lid. The rice has some spice sprinkled on the top of it. There is also a rice ball (onigiri) made to look like a soccer ball using seaweed. Soccer is very popular among Japanese kids. Side dishes include fried shrimp, a mini-hamburger steak with ketchup, boiled asparagus, potato salad, green soyb..