Toy material: plastic / plastic Ability development: manual brain, grasping, vision, interest development, senses, other ability development, parent-child communication, interactive toys Computer function Simulation of addition, subtraction, multiplication and division functions can be added, subtracted, multiplied and divided functions, will be issued with each click "Didi" sounds and lights will follow. Simulated swipe position Simulated pos machine swipe function A beep sounds when swiping the card. When the indicator light is on, the swipe is successful, and the payment is successful