Durable, Heavy Duty Material: The Wooden Letter Blocks and tray are made of natural wood which is non-toxid and safe for kids. Larger-size wooden blocks which is prevent the risk of the kids swallowing. Spelling card are durable and easy to use, even in the classroom. The large, colorful print is ideal colorful printed pattern with rounded corners and no sharp edges, smooth and burr-free. This spelling letters block are sturdy and everlasting even after long times using. Sight Words Flash Card: Turn the letter block to make the word, let the child find the corresponding word card. Montessori educational toys helps toddlers develop strategic thinking in the brain, greatly develop memory skills. Attract Children's Attention: Toddler learning cards with colors companied by adorable illustrations more likely to attract children's attention, matching letter game keep your kids off of screens for a long period of time. At the same time you have enough free time to do whatever you want to do. Perfect Gift for Kids: These flashcards are durable and easy to use, even in the classroom. The large and not easily damaged. They can withstand the destructive power of children. colorful print is ideal. Educational toys is the best gift toys for boys and girls over 3 years old on birthdays, Christmas, Thanksgiving and other holidays.