Math-E Magic. DESCRIPTION Wonder Mathe magic can turn you into a human computer! Included are 4 square sticks with random single digit numbers. When placed side by side, you have four 4 digit numbers. You can instantly figure out the total of the 4 numbers! You can change the 4 sticks in any combination. But the formula for the answer will always be the same. Easy to do! Great for adults and children !!! Highly recommended Rs.250/- see demo the link.... https://www.youtube.com/watch?v=CgbnklMNveM