Memory Flashcards include 3 sets of 54 cards. Topics cover: number memory, visual memory and memory comprehension. Teach children memory skills with 3 decks of vibrant and fun memory flashcards. Sets include number memory, visual memory, and memory comprehension. A perfect activity for independent or guided learning.Details:8.1" x 3.5" x 0.9" package size3 sets of 54 cardsFor ages 5 and up