Heard a programme about these today and some research has shown how they can help with being fit. I looked them up online and couldn't make head nor tail of them. They seem to require an app or a computer in order to do their stuff.
Can anyone enlighten me please - or should I simply ask a GC!! 
MAKE A SENTENCE GAME [FEB '26]
Last letters become first - March 26
LAST THREE (WORDS) LETTERS (Cont. from May) Aug 2026
Alphabetical Fauna (mammals, birds, reptiles, fish, insects etc.)


. This 3-axes type works in a pocket, in a bag or around the neck. Mine has even been in the washing machine a couple of times and worked once dried off! 