Bounce Below for Two | Free Falling | Virgin Experience Days / Voucher Gift Virgin Experience Days For Couples/Him/Her/Mum/Dad/Boyfriend/Girlfriend/Wife/Husband/Partner/Family Things To Do | Take Several Giant Trampoline-like Nets, Surround Them With Protective Netting, Tunnels and Slides, Then put it all in a Cavern Deep Beneath the Ground. It's Cave Diving Mixed With Bouncing Around, and you can Enjoy it all With a Friend With This Bounce Below Experience for Two.bounce Below Came to Life From a Former Victorian Mine in Blaenau Ffestiniog to Take Trampolining and Exploring fun to a Whole new Subterranean Level. There are six Levels of Bouncing Goodness Filled With Nets, Huge Slides and Adventure for you to Discover as you Jump and Slip Around, and This Year It's Even Bigger, Better and Bouncier Than Before.try new Slides That are Three Times Faster Than Before and the Height of two Double Decker Buses, Bouncier Nets for Higher Jumps and Bigger Thrills, and new Sections of the Caverns Opened up With 400 Extra Square Metres to Explore. It's a Bouncy Experience you Won't Find Anywhere Else! | Blaenau Ffestiniog - Zip World Ltd