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 tear and water resistant coating.



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



Paper materials are SGS approved.

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).

Latest news

HK HUB logo

Our products are featured in The HK HUB's Ultimate Christmas Gift Guide!

Dec 7, 2023

The HK HUB, an online platform providing a wealth of information on local events, dining, lifestyle, travel, and more, has highlighted CARDDIA's flashcards - Elements of the Periodic Table and The 88 Astronomical Constellations in their guide.

Morse code flash cards

New product released: International Morse Code (ITU Standard)

Oct 30, 2023

Our latest product - International Morse Code (ITU Standard) is now available at our Store.

Chinese Vocabulary for Beginners

New product released: Chinese Vocabulary for Beginners

29 Aug, 2021

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

Arabic alphabet

New product released: Arabic alphabet

29 Aug, 2021

Our latest product - Arabic alphabet is now available at our Store.

Spanish Vocabulary flashcards for Beginners

New product released: Spanish Vocabulary for Beginners

17 Sep, 2020

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