Durable Materials: This children's piggy bank is made of high-quality, eco-friendly ABS plastic non-toxic and sturdy. Requires 3 x AA batteries (not included). A high-quality electronic piggy bank, perfect as a Christmas or birthday gift for children aged 3-12. Automatic Bill Rolling: Insert bills into the top slot; they'll automatically roll into the bank. Easy for children to use (may not work with very old or soft paper). Great Financial Aid for Kids: This piggy bank holds up to 600 coins or 100 bills. It's a fun way to teach children the value of saving and develop good financial habits. They can save for gifts, surprises, and more! High-Capacity Money Box: The perfect birthday or Christmas gift. It encourages children to save their allowance, rewards, and more, teaching them the value of every penny. Password-Protected Money Box: Set the 4-digit password (default: 0000, customizable). A green light indicates correct entry, and the bank opens. Incorrect entry triggers a red light and "PLEASE TRY AGAIN" audio prompt (it won't open).