Ninja Tag Indoor Obstacle Course

https://www.everyoneactive.com/centre/stratford-leisure-centre/stratford-ninja-tag-active-arena/
Book for 12pm £9.50 each
Click on attend, once you have paid!
Ninja Tag Active is an arena based game designed to test strategy, speed, agility, awareness and bravery, while promoting fitness, fun and competition!

would recommend downloading the app. it does not require a subscription but can do have to set up an account.

it's easy enough just takes a min or two