We started using flash cards for VZ as early as 15 months. Most of early learning was involved in observing pictures and repeating when she was confident enough. Later we used it for phonic learning , then these aided for reading and now she is in the stage of copying from flash cards and writing it down.
Musical flash cards @flash_tots
Ganesh Kreeda @mihiragurukul
South Asian festivals @tpartycreations
Catch me if you can – Where the wild things & @makingwildpaper
Find it First @flipkart
USA – flash cards in @dollartree sometimes it will available on sale in @rossdressforless