Sight training for the ds - following on from the brain training series comes sight training - the game is supposed to :
"Strengthens 5 aspects of the focus ability through simple and short training exercises.
Endorsed by the famous Japanese "Visual Training" professor Ishigaki Hisao.
All operations are activated via simple touches so anyone can train there focus ability"
Not tried it myself yet but next cheapest is £14.89 with no quidco from sendit. Price is after 2% discount is used.
Quidco at 4% could reduce it £13.16