sharpen up your brain, increase reaction times, want to feel smug about maths?

[yogabird]

try this Am going to give dd a go on it in the morning - especially now that, having trialled it, I know I can beat her (she is, however, only 7 yo )

Oh thanks a LOT!!!!

I'm hooked! And on the word one. I'm just going to try the others now. And then set dd3 a 'challenge'

have just spent an hour!!!!! a whole hour on this and had a greta deal of fun. Then opened a beer adn it all fell apart