Recommended for ages 3 years and up Material/s: Plastic parts The building blocks have a variety of colors and shapes, help kids understand different shapes and colors, it can also exercise the children's finger dexterity. Colorful learning blocks set to makes your little one's playtime educational yet fun. This building blocks set comes in a zippered packet with a handle, convenient to store the blocks and carry them from one place to another. No battery required.