http://www.sproutonline.com/games/caillou-memory-game
http://www.primarygames.com/puzzles/match_up/findthepair/
http://www.abcya.com/monster_match.htm
http://bobthebuildergames.net/random-games/7/matching-game
http://www.learninggamesforkids.com/memory_games/memory_games_match_game.html
http://www.learninggamesforkids.com/memory_games/memory_games_memory_flip.html