I came across Rainbow Count, endorsed by educational psychologis, they have a visualization device that preschoolers likes, able to shorten learning curve, 6 yr olds able to do add/subtract in hundreds and problem sums.

Find out more at: fb.me/rainbowcount
Anyone has feedback on this centre?

I came across Rainbow Count, is endorsed by educational psychologist. And 6yr old is able to do ass/subtract in hundreds.

here is the link: fb.me/rainbowcount