Iced coffee costs a fortune buying from the supermarket, but ahead of a hot day you can trivially make it with just a few (cheap) ingredients.
This recipe uses butterscotch flavour golden syrup to add flavour, but you can easily substitute that for other flavourings - using other golden syrup flavours, or flavoured coffee shots
Chocolatey and creamy. Using milk chocolate works better for kids, as dark chocolate's a bit bitter for them (plus, do you really want to give them coffee? really?)