This title offers essential practice on the key concept of three-letter spelling. Containing 86 cards in each package, these cards are sturdier than others on the market. It is suitable for children aged 5 to 6 years old. "Flash Kids Flash Cards" offer essential practice in key concepts such as multiplication, division, the alphabet, sights words and spelling. Containing 86 cards in each package, these cards are sturdier than others on the market.