days out, tried and tested
Two kids shopping spots are listed in Lelystad so far, which is a short list and we say so rather than padding it. Between them they offer changing tables (two), play area (two) and food & beverage (two). The nearest other towns with kids shopping spots listed are Zwaag (one) and Amsterdam (two).
2 kids shopping in Lelystad

Lelystad is one of the towns this directory covers, with five places listed across every category so far. It is about 42 km from Amsterdam, so a day out here is usually combined with one there.
Weather in Lelystad
2 of these are pinned above. Tap a tulip to open the listing.
None of the two kids shopping spots listed in Lelystad is free at the moment — they all charge something. 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. Each listing links through to the venue's own prices.
Of the two kids shopping spots here: changing tables at two, play area at two and food & beverage at two. 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 kids shopping spots of their own are Zwaag (one, about 33 km away), Amsterdam (two, about 42 km away) and Zaandam (two, about 45 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.