Designing an ATM simulation tank is an interesting and educational concept that can help children learn the basic concepts of savings and financial management. Here are some suggestions:

Appearance design: Design a money tank similar to a real ATM machine, including card slot, screen, keyboard and other elements to increase the simulation.

Digital display: Add a digital display on the deposit tank to display the amount of savings. This can help children understand the progress of their savings.

Coins and banknotes simulation: Considering that designing the mechanism of receiving coins and banknotes in the depository tank, allowing children to learn relevant knowledge through simulating the real deposit process.

Touch screen/button operation: Design a simple touch screen or button operation interface, so that children can simulate the process of entering information on the ATM machine.

Sound effect: Add sound effect to simulate the operating sound of ATM machines to increase interaction and entertainment.

Objective setting and reward system: Allow children to set savings targets and set up a reward system to stimulate their interest in savings.

Digital Security Education: Use ATM to simulate and save money tanks to educate children's digital security knowledge, such as setting passwords and protecting account information.

Parent monitoring: Provide a parent monitoring interface to allow parents to remotely monitor their children's savings progress and set goals.

Internet function: If there is an Internet function to ensure that it is safe and in line with children's privacy regulations. For example, allow parents to view the child's savings history through applications.

Education content: Use ATM simulation to save money tanks to provide some interesting and educational content, explain the importance of savings, how to work in banks.

Designing such a money -saving can to allow children to have some basic concepts about savings and financial management in the process of playing, and at the same time provide an interesting interactive experience.