Children's toy piggy bank is a savings device designed specifically for children, usually designed to be cute and fun to attract their interest. They usually have an opening where children can place coins or other small items to help them develop the habit of saving and managing finances.

The following are some common types and styles of children's toy piggy banks:

Traditional piggy bank: This type of piggy bank is usually designed as an animal or character image, with an opening where children can put coins or other small items into it. They usually have a locking device to prevent children from removing stored items on their own.

Intelligent piggy bank: This type of piggy bank typically has electronic screens, sound interaction, and other intelligent functions. Children can store coins or banknotes in a piggy bank and use screen or voice interaction to track the amount stored. Some smart money banks also have fingerprint recognition or password unlocking functions to increase the security of stored items.

Savings Bank: This type of savings bank usually has multiple small boxes or areas, each with an opening for children to put small items or coins into it. These areas are usually marked with different themes or characters, such as animals, cars, numbers, etc., to encourage children to classify and store different types of items.

Music piggy bank: This piggy bank usually has a music playback function, and when children put coins or other small items into it, it will play the corresponding music or sound effects. This type of piggy bank is usually designed with a cute or funny image to attract children's interest.

In short, children's toy piggy bank is a great educational toy that can help children cultivate savings and financial habits, and also help them understand the importance of currency and savings.