Presenting the Memory game, is a card game in which all of the cards are laid face down on a surface and two cards are flipped face up over each turn. The object of the game is to turn over pairs of matching cards. Concentration can be played with any number of players or as solitaire and is an especially good game for young children, though adults may find it challenging and stimulating as well. The scheme is often used in quiz shows and can be employed as an educational game.

A Collins Greek-English-Greek dictionary with thousands of real-language examples from a corpus of modern Greek.

Collins German-French & French-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of French and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins German-Croatian & Croatian-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Croatian and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins German-Italian & Italian-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Italian and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins German-Dutch & Dutch-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Dutch and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins German-Norwegian & Norwegian-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Norwegian and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

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Collins German-Portuguese & Portuguese-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Portuguese and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins German-Russian & Russian-German Mini Gem Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Russian and German of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

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Collins Mini Gem Greek-Croatian & Croatian-Greek Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and Croatian of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Dutch-Greek & Greek-Dutch Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and Dutch of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem Greek-Portuguese & Portuguese-Greek Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Greek and Portuguese of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

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Collins Mini Gem English-Croatian & Croatian-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Croatian and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Collins Mini Gem English-Dutch & Dutch-English Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Dutch and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.