It use environmental ABS plastic, eco-friendly, non-toxic, no odor, anti-aging, durable, material safety, resistance to falling, not easy to damage. Creative carved portable design, more fashional, more user-friendly, more portable. Can store 600 pieces of coins or 100 pieces of paper money, also can secret small personal items, such as toy, passport, secret letters etc. Storage to meet all children need. Automatic paper money scroll function, put the paper money on the scroll, it can be rolled into the machine automatically for 10 seconds. It will not work if the paper is too old or too soft. You can put the coin into the saving box through the gap at the top of money bank. With the LED purple light counterfeit lamp, the authenticity of the banknote can be recognized. Four electronic password protection, you can change your password, more secure and reliable. The 4-digit password can be set at will, and the default factory password is 4624. If you forget the password, you can take out the battery and let it sit for half an hour to restore the factory Settings. Powered by 3 AA batteries( Not Included ). This code electronic piggy banks can teach your children about the value of saving money, improve the child's property safety consciousness and develop a good habit of wealth, it's a perfect birthday or festival gift for kids.