The First Young Persons' Caverhub-Cavernoma Alliance UK
Today, Saturday, April 9th from 10 am to 12 pm (and as this is my birthday and there's lunch at the Rainforest Cafe chased by a trip to the London Aquarium you just know it's going to be a rockin' good time.)
For more info go to Cavernoma Alliance UK here. Or here.
Find'em here on Facebook too.