Привет!
По мотивам китайской игрушки:
https://ru.aliexpress.com/item/80-Cards-Arithmetic-Magic-Box-Children-s-Wooden-Educational-Toys-Early-Maths-Calculate-Boy-and-Girl/32449410245.html (https://ru.aliexpress.com/item/80-Cards-Arithmetic-Magic-Box-Children-s-Wooden-Educational-Toys-Early-Maths-Calculate-Boy-and-Girl/32449410245.html)
Сделал генератор картинок: https://yadi.sk/i/A0w-UkfStFmhIA (https://yadi.sk/i/A0w-UkfStFmhIA)