Great if you are interested in learning about glass blowing. The furnace and workshop is open for a tour and demonstrations.
However, the trip to get there is long, rough and dusty. Not sure if the area is in a very safe location as quite off the beaten track.
We visited with our children and not a good idea as breakable glass products everywhere, combined with the long drive made for a very stressful day out.
The products are lovely though and handmade. I would suggest to visit their shops instead to buy these, bear in mind they are fragile so not the best souvenirs!