This is awesome - well done!
Bikes, dirt, legos, board games, books, all still exist. Despite what American consumerism would have you think, devices aren’t required to parent your children. We made the decision from the outset not to introduce them into the mix and this insane thing happened: they don’t spend their time on devices.
Sure, their classmates will have them and they will come home asking for this awesome thing they saw so-and-so have at recess. When that happens, you get to do the most important part: you say “no”.