Size: 4.8 * 4 * 3.6 inches, can accommodate approximately 30-40 coins. Applicable to all US coins and most national coins. Place a coin at the top of the button and press it. The cute money stealing unicorn will lift its head and reach out to quickly steal. This smart coin bank can be your first choice for teaching children how to save money. The coin stealing unicorn box is powered by 2 AA batteries (not included due to air transportation reasons) We guarantee 100% satisfaction. This automatic coin bank is made of completely environmentally friendly materials and has undergone the strictest quality inspection. If you have any questions, our friendly customer service will always be by your side.