
Speke Hall
A Tudor hall with woodland walks, a maze and a natural play area in the grounds. Free if you have National Trust membership, and the indoor house is a good rain fallback.
Liverpool, Merseyside

Five free floors covering the three things small children reliably love: dinosaurs, an aquarium and a space gallery, plus a bug house and Egyptian mummies. One of the best free family museums in the country, and it knows what it is doing with school-holiday programming.
Do not attempt all five floors. Pick two, do them well, and leave wanting more - it is free, so coming back costs nothing. Dinosaur puppet days run midweek through this summer's holidays.
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A Tudor hall with woodland walks, a maze and a natural play area in the grounds. Free if you have National Trust membership, and the indoor house is a good rain fallback.

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