What about that Dr Kawashima's brain training tool which seems to be a bit of a craze at the moment? I know it's not a facilitator - but might be an innovative alternate and could be quite fun!
Interesting request... would be…"
"Hi Sandra.I have a particular technique for memory training, using Neurofeedback. We actually train the brain to improve its memory. However, it is a one to one process, can't be done for a group. If you're interested, contact me for more…"