In a simulated cash register for family toys, children can play the role of a cashier, simulating the buying and selling process in a supermarket or store. This toy has a cash register with a digital display and buttons that children can press to calculate and settle the price of the product, displaying the total price and change on the screen. In addition, the cash register is equipped with various currencies and which children can use to trade and enhance their mathematical and financial manaent skills. Through the toy cash register, children can experience the shopping and settlement processes in the real world, cultivating their social skills and team spirit.