welcome to the forum sarah
u can get cocopops kellogs and nestle do a bag or a box cheerios. cornflakes, oats, muslie
u can pick up pizzas(small round ones) from the freezer sections of supermarkets
just add a bit more cheese
but your son will love it in the warmth of the sun the frendlyness of the people
in turkey, they love kids if your place has a pool u wont be able to get him out of it
the cheese s are ok but we always bring cheaddar ,bacon, sausages,u could bring crackers they do them here but a bit bland.
cheeries(like whootis)you can find in the markets(shops) everywhere
have a good holiday