Crossfit is many things and combines aspects from gymnastics like weightlifting, bodyweight training such as squats and pullups. Also endurance training like running, jumping and climbing ropes.
There will be variation in the workouts, so kids in the UAE won’t get bored.
It require patience to learn the workouts, the movements and the skills, but once you have them all, there is no limit for the fun you can have. Crossfit will give kids the knowledge about training, so they can maintain and do it by themselves on holidays or at home.