Eco-friendly material: This ATM piggy bank is made from high-quality premium ABS material, safe and non-toxic design, odorless and healthy. It can be reused multiple times and is durable for long-term use. Requires 3 XAA batteries (batteries not included) Mechanical simulation design: These piggy banks not only accept coins but can also automatically roll in bills and notes like a real ATM. Fingerprint password protection: The piggy bank has a strong password-protected mechanism. The default password is 0000 but can be customized. Only input the correct password and press to open automatically. Multifunctional use: The piggy bank can store your child's savings and play 3 built-in songs to bring more joy to children. Teach children about money while they have fun, helping them develop good saving habits. Perfect gift for children: Exquisite design and compact appearance, ideal for kids. They will love watching their savings grow. This ATM fingerprint password piggy bank is an excellent birthday gift.