Things kids are forced to do (flashcards) they will hate.
Things kids are allowed to do (watch National Geographic) they will enjoy.
Do you really want your kids to hate nature?
Things kids are allowed to do (watch National Geographic) they will enjoy.
Do you really want your kids to hate nature?
Maybe flash cards is the wrong word to use?
The idea is not to make them memorize anything, i.e. not fun. The idea is to show them pictures of stuff they like, i.e. fun. The vocab building is just a by-product of the activity.