Heritage Open Day: Come along and join The World of Glass for a Family Fun Day as part of the Heritage Open Days Program. Including free access to activities that are usually paid for, including a sneak peak into our Hot Glass studio and tours from our expert guides. This Heritage Open Days Come along to The World of Glass on Saturday 7th September between 12pm and 3pm for our Family Fun Day. There will be free heritage craft activities for all the family, access to our museum galleries and Grade II* listed Tank House is free as always, but we will be also be offering a free peak into out Hot Glass studio where you can watch our talented Glass Makers create amazing pieces of glass from scratch using techniques that have been around for 1000's of years.