Not just for children, many "narrative style" TTRPGs encourage exactly stuff like this. If the item is not majorly important (a sausage), then you can just assume you have it on you (though a GM might want you to do a short explanation why you have a sausage with you).

It does depend on what they’ve introduced though, the player saying they noticed an npc has glowing eyes doesn’t seem like quite the right split (caveat - of course always do whatever seems fun, fun is the point).

That's true and so far my experiments have been fun. Unfortunately it's just not challenging if the DM is so easy to "cheat". The bizarre story makes me laugh but the game itself is super boring.