Collection of Country flags | Carddia Educational Flashcards

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Welcome to CardDia Educational Flashcards

An educational flashcard is a learning tool widely used in classroom drills or in private study, one side displays a question (or an image) and the other side displays an answer (or information). It allows you to quickly revisit information and test knowledge.
Our aim is to produce educational flashcards in variety of subjects, such as Language, Science, History, flags and symbols etc., our products come with good quality of materials and design, this makes your learning more enjoyable!

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Why choosing us?

easy to use

Safe & Secure (SSL employed)

We take the privacy of your information very seriously. We provide you a secure online environment on our web store. employs Secure Sockets Layering (SSL) to encrypt your personal information such as credit card number, name, and address before it travels over the Internet.

easy to use

Ease of use

Every set of cards is designed in compact size. You can carry it easily and study anytime and anywhere.



Cards are made of high-quality paper with rounded corner.



Every card is printed with high resolution images and texts, learning with them become visual enjoyment.



Paper materials are SGS approved, and have passed RoHS compliant (2011/65/EU).

Free shipping delivery

Free shipping

We provide free shipping worldwide on every orders with standard delivery.



If you are not 100% satisfied with our product you purchased, you can either return your order for a full refund or exchange it for something else.

Lifetime warranty

Lifetime Warranty

Any time you lost a card, we can send it to you for free (including shipping cost for the first month after purchase).



Cannot find the flashcard theme you want? We can make it for you in reasonable price.

Latest news

German Vocabulary for Beginners flash cards

New product released: German Vocabulary for Beginners

Feb 3, 2019

Our latest product - German Vocabulary for Beginners is now available at our Store.

Japanese Vocabulary for Beginners flash cards

New product released: Japanese Vocabulary for Beginners

Sep 8, 2017

Our latest product - Japanese Vocabulary for Beginners is now available at our Store.

Prefectural Flags of Japan flash cards

New product released: Prefectural Flags of Japan

May 25, 2016

Our latest product - Prefectural Flags of Japan is now available at our Store.

Roman Numeral flashcards

New product released: Roman Numerals

Apr 5, 2016

Our latest products - Roman Numeral flashcards are now available at our Store. The set comes with 71 cards collecting the most important Roman numerals in the range of 1 to 2016.

Catholic Centre

Our Biblical Hebrew Alphabet flash cards are available to purchase from Catholic Centre, Hong Kong

January 12, 2016

We're pleased to announce that our Biblical Hebrew Alphabet flash cards are now available to purchase from Catholic Centre, Hong Kong!