Probably one of the machines which you can find at most of Japanese homes but not in Europe.
Kakigor; Japanese shaved ice is sold at restaurants and stands but many Japanese enjoy eating at their homes too. Actually you just need the ice block shaver, ice and syrup. Then many people use the home made ice which are made in their freezers. Large type of home fridge which has freezer make ice cubes automatically if you pour water into the designated place.
Ice block shaver used at homes are usually hand powered one which does not need any electricity at all. Which means you can easily use at outside too. Hand powered ice block shaver can be found at hard wear stores rather than at electronics appliance stores.