Brilliant for curious children from age 5 to 40+! ...

Brilliant for curious children from age 5 to 40+! Had to queue for about 20 mins to get in during school holidays. Not cheap, but well worth it, really well put together, does exactly what it says on their website. Only caution is due to the age/shape of the building it's not viable for those who can't manage stairs - there's nearly 100 of them from bottom to top.