Get the kids excited for the holiday with these 15 Adorable DIY Valentine Box Ideas. Valentine’s Day is approaching us quickly and that means your kids will have to decorate a Valentine box for their classroom! There are lots of traditional box-shaped ideas, like the Monster Box, LEGO Valentine Box, Minion Valentine Box, Pirate Ship Valentine Box, DIY Pokémon Valentine Box, and the Dinosaur Valentine Box. We’ve come up with some super easy, personalized boxes that your kiddo will love.