Mental Math, Soroban Abacus Math, & Learning Via Computer Soroban abacus allows children to learn basic numbers, math, and calculation using manipulative method. By converting numbers into graphical symbols, children can learn math starting at younger age (age 3 or above) and achieve faster calculation speed and increased accuracy. With better math, children confidence in learning will be enhanced, allowing them to better tackle other subjects in school and other challenges in life. Learning MathSecret will allow children to enhance not just math, but parents will also notice children's focus level, creativity, memorization, optimism, and self confidence have also been improved. Join MathSecret VIP Membership for FREE and get up to $70 bonus for fun math learning at MathSecret! (up to $50 rebate for online learning and $20 bonus in cash for MathSecret Affiliate.) Designed by MathSecret, this abacus is similar to traditional Japanese soroban abacus with a few improvements. First is we have introduced color to top row, allowing children's imagination to be enhanced with the dimension of color. Another improvement is by shifting the dots on the horizontal separation bar to between vertical columns, helping children avoid confusion in their early math learning years. MathSecret Abacus is constructed with black plastic frame, plastic pearls, and plastic horizontal bar. Vertical stems are made of eco-friendly bamboo. Product is Made in China (HINT: do not expect great quality,) but covered by American LIFE-TIME WARRANTY, (check below for details on LIFE-TIME WARRANTY.) MathSecret students were not born "geniuses." They are normal children that has learned math using MathSecret, showing the ability of human brain to calculate at speed faster than calculator. Revealing the negligence of current education system to fully challenge childrens potentials. MathSecret is the easiest way to let children learn math. Comes with FREE Learning via computer. (Connection to internet is required.) FREE Registration is required! FREE LIFE-TIME WARRANTY from MathSecret, coverage includes damage, accidental breakage, and even loss. (*Shipping fees may apply. Policy available only when replacement stock is available.)