Do the kids play pokemon TCG? or Magic the gathering?
Both are also free to play:
MTG: https://magic.wizards.com/en/mtgarena
Pokémon TCG: https://www.pokemon.com/us/pokemon-tcg/play-online/download/
How to play: https://tcg.pokemon.com/en-us/how-to-play/
Trying to organize a weekly schedule for the youth events ~