This smart pen wit a sensitive pen tip, clicking on the probe point on the card will make a sound, which making your kids no longer bored with learning, and stimulating the potential and interest of the child. Bright and colorful cards are easy to attract children's attention and easy to get their favorite. Multicolor are helpful for children to recognize color and visual cognition. Our cards contain many simple and useful words that are suitable for your little one to learn. Animals, numbers, fruits, musical instruments and etc, 12 double-sided learning cards, including 120 learning points, your child will love it. Children can learn while playing alone. For children, parents and children learn together, children will be more interested, and can also improve the relationship between parents and children. Our voice learning card is made from ABS eco-friendly materials, it is non-toxic, with smooth edges and no burs, safe to play. It is an ideal gift for children.