Flip Out Leeds bills itself as the world's biggest Flip Out indoor trampoline and adventure park, and on Coal Road it's got the space to back that up: 14 attractions under one roof, from wall-to-wall trampolines and a dedicated Slide World to a Ninja Playground and toddler soft play for the smaller wild children in your life. It's the kind of place you can turn up to with a full day's worth of energy to burn and leave with none left. We went for the Mega Pass, which turned ou