You can buy from online bookstore: www.depository.com and it has free shipping from UK to worldwide countries. Normally I will read reviews from Amazon first and then proceed to place online order at depository. Also, books from depository are much cheaper than purchasing from physical local bookstores.
Hi Bhie, National Bookstore has a wide choices of flashcards for your little one. :)
You can also try fully booked store its just located in greenbelt makati .
Toy’s r us National Bookstore