B Box - Lunch Box Mini - Harry Potter (Limited Edition)B. box Mini Lunchbox Perfect for Smaller Appetites! All the clever features you love from the original B. box lunchbox, now in a more compact size for little tummies. The B. box Mini Lunchbox may be small, but its packed with smart design to make healthy lunches easy for kids and parents alike. Ideal size for children starting Prep or kids with an average appetite who prefer to pack their morning tea separately and use the mini just for their lunch