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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
As far as I know, using existing functionality is part of the expected and intended solution. Source: Comments on other "Enumerable Magic" katas that all follow this pattern. I vaguely recall the author stating on one that these katas are meant for students aged 10-14.