Nice music, I purchased the pack and I have used it in an App for children.
It is a game in which children learn to use coins, count them and buy with them. At the moment it is only in Spanish and with euros.
The game is called "La tienda de chuches" and is available in AppStore and PlayStore.
AppStore: https://apps.apple.com/es/app/la-tienda-de-chuches/id6670557888
GooglePlay: https://play.google.com/store/apps/details?id=com.davihesoft.android.chuches