To those who's been to Disneyland, how many euros should I take for 3 nights/4 days?

So going to Disneyland soon and thinking of taking 300 euros tbh it's all I can afford really. But I think some family members might give me some more anyway.

What are your experiences with Disney Paris?
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Also any holiday budgeting tips will be much appreciated. I've brought some non-branded dressing up clothes to surprise her once there. I've heard there's water refill stations so will be drinking water plus those squeezy juice things for lo. Plus I'll be bringing in snacks, foods and a flask (apparently you can request to have a kettle in your room). Tickets are included so it's just food/drinks and extras I need to buy.
To those who's been to Disneyland, how many euros should I take for 3 nights/4 days?
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