We have been lucky enough to 'attempt' riding unicycles at breaks and lunch time. This has been a good opportunity to learn the skills needed to ride a unicycle and also to get outside and try something new. I have seen people that are attempting to master it everyday; some people have and others.... I guess are just not there yet. We have found out that riding unicycles improves your coordination, fitness and muscle strength.
Here are some pictures of the kids trying something new: