days out, tried and tested
One family day out is listed in Volendam so far, which is a short list and we say so rather than padding it. The nearest other towns with family days out listed are Purmerend (one) and Amsterdam (23).
1 family experiences in Volendam

Volendam is one of the towns this directory covers, with two places listed across every category so far. It is about 18 km from Amsterdam, so a day out here is usually combined with one there.
Weather in Volendam
1 of these are pinned above. Tap a tulip to open the listing.
The one family day out in Volendam is not free — it charges for entry. Free entry is tagged on a card the moment a venue offers it, so this answer changes with the data rather than with an edit, and the listing links through to the venue's own prices.
Of the one family day out here: food & beverage at one, free parking at one and wheelchair access at one. Those are the facilities the venues publish themselves, shown on every card, so you can filter for the one that decides your morning before you set off. Anything not listed is simply not stated by the venue rather than known to be absent.
The closest towns with family days out of their own are Purmerend (one, about 7.6 km away), Amsterdam (23, about 18 km away) and Almere (one, about 21 km away). Distances are measured between centres, so add the traffic. Every one has its own page here with the same detail, and they are linked at the foot of this one.
Measured between town centres, closest first.